Astm.e84.2001

By Authority Of
THE UNITED STATES OF AMERICA
Legally Binding Document
By the Authority Vested By Part 5 of the United States Code § 552(a) and
Part 1 of the Code of Regulations § 51 the attached document has been duly
INCORPORATED BY REFERENCE and shall be considered legally
binding upon all citizens and residents of the United States of America.
HEED THIS NOTICE: Criminal penalties may apply for noncompliance.
Official Incorporator:
THE EXECUTIVE DIRECTOR
OFFICE OF THE FEDERAL REGISTER
WASHINGTON, D.C.
Document Name:
CFR Section(s):
Standards Body:
e
American Society for Testing and Materials
24 CFR 3280.203(a)
ASTM E84: Standard Test Method for Surface Burning
Characteristics of Building Materials

NOTICE: This standard has either been superceded and replaced by a nell" version or discontinued.
Contllet ASThI International (www.astm.org) for the latest information.
An American National Standard
a Designation: E 84 - 01
~~INTERNATIONAL
Standard Test Method for
Surface Burning Characteristics of Building Materials1
This s.tandar~ is issuedunder t:h~ fixed designalionE 84; theUluuber immediatelyfollowing the designationindicates the year oforiginal
ado?t1on or, ill the case ofreVlSlOn, the year oflastrevision. A numberinparentheses indicates the year oflast reapproval. A superscript
epsilon (e) indicates an editorial change since the last revision or reapproval.
This standard has been approvedfor lise by agencies ofthe Deparbmmt ofDefense.
1. Scope
1.1 This fire-test-response standard for the comparative
surface burning behavior ofbuilding materials is applicable to
exposed surfaces such as walls and ceilings. The test is
conducted with the specimen in the ceiling position vvith the
surface to be evaluated exposed face down to the ignition
source. The material, product, or assembly shall be capable of
being mounted in the test position during the test. Thus, the
specimen shall either be selfMsupporting by its own structural
quality, held in place by added supports along the test surface,
or secured from the back side.
1.2 The purpose of this test metllOd is to detennine the
relative burning behavior of the material by observing the
flame spread along the specimen. Flame spread and smoke
developedindex are reported. However, there is not necessarily
a relationship between these two measurements.
1.3 The use of supporting materials on the underside ofthe
test specimen has the ability to lower the flame spread index
from those which might be obtained if the specimen could be
tested without such support. These test results do not neces-
sarily relate to indices obtained by testing materials without
such support.
1.4 Testing of materials that melt, drip, or delaminate to
such a degree that the continuity ofthe flame front is destroyed,
results in low flame spread indices that do not relate directly to
indices obtained by testing materials that remain in place.
LS The values stated in inch-pound lmits are to be regarded
as the standard.
1.6 The text ofthis standard references notes and fooinotes
that provide explanatory infonnation. These notes and foot-
notes, excluding those in tables and figures, shall not be
considered as requirements of the standard.
1.7 This standard is used to measure and describe the
response of materials, products, or assemblies to heat and
flame under controlled conditions, but does not by itself
incorporate all factors required for fire-hazard or fire-risk
t This test method is under the jurisdiction of ASTM Committee E5 on. Fire
Standards and is the direct responsibility of Subcommittee EOS.22 on Sud'ace
Burning.
CUrrent edition approved July 10, 2001. Published July 2001. Originally
published as E 84 - 50 T. Last previous edition E 84 - OOa.
assessment of the materials, products, or assemblies under
actualfire conditions..
1.8 This stamard does not purport to address all of the
sqfety concerns, if any, associated with its use. It is the
responsibility ofthe user ofthis stamard to establish appro-
priate safety am health practices and determine the applica-
bility ofregulatory limitations prior to use.
2. Referenced Documents
2.1 ASTMStamards:
A 390 Specification for Zinc-Coated (Galvanized) Steel
Poultry Fence Fabric (Hexagonal and Straight Linef
C 36 Specification for Gypsum Wallboard3
D 4442 Test Methods for Direct Moisture Content Measure-
ment of Wood and Wood-Base Materials'
D 4444 Test Methods for Use and Calibration ofHand-Held
Moisture Meters4
E 69 Test Method for Combustible Properties of Treated
Wood by the Fire-lUbe Apparatus'
Wood by the Crib Test'
E 162 Test Method for Surface Flammability of Materials
Using a Radiant Heat Energy Source"
E 176 Tenninology of Fire Standards"
E 286 Test Method for Surface Flammability of Building
Materials Using an 8-ft (2.44-m) Tunnel Furnace"
3. Terminology
3.1 Definitions-For definitions of terms used in this test
method refer to Tenninology E 176. The term ftame spread
index from Tenninology E 176 is of perticular interest to this
standard and is defined in 3.1.1.
3.1.1 flame spread index, n-a number or classification
indicating a comparative measure derived from observations
made during the progress of the boundary of a zone of flame
under defined test conditions.
2 Annual Book ofASTM Blandmria, Vol 01.06.
3 Annual Book ofASTM Suuldards, Vol 04.01.
4 Annual Book ofAS1M SIGndmris, Vol 04.10.
S Discontinued; see 1993 Annual Book ofASrM Standards, Vol 04.09.
Ii Annllal Book ofASTM Standards. Vol 04.07.
1 Discontinued; see 1991 Annual Book ofASTM Standards, Vol 04.07.
Copyrlght@ASTM InternatIonal, 100 Barr Harbor DrIve, PO Box C700, West Conshohocken, PA 19425-2959, United Statas.
NOTICE: This standard has either been superceded and replaced by a nell" version or discontinued.
Contllet ASThI International (www.astm.org) for the latest information.
An American National Standard
a Designation: E 84 - 01
~~INTERNATIONAL
Standard Test Method for
Surface Burning Characteristics of Building Materials1
This s.tandar~ is issuedunder t:h~ fixed designalionE 84; theUluuber immediatelyfollowing the designationindicates the year oforiginal
ado?t1on or, ill the case ofreVlSlOn, the year oflastrevision. A numberinparentheses indicates the year oflast reapproval. A superscript
epsilon (e) indicates an editorial change since the last revision or reapproval.
This standard has been approvedfor lise by agencies ofthe Deparbmmt ofDefense.
1. Scope
1.1 This fire-test-response standard for the comparative
surface burning behavior ofbuilding materials is applicable to
exposed surfaces such as walls and ceilings. The test is
conducted with the specimen in the ceiling position vvith the
surface to be evaluated exposed face down to the ignition
source. The material, product, or assembly shall be capable of
being mounted in the test position during the test. Thus, the
specimen shall either be selfMsupporting by its own structural
quality, held in place by added supports along the test surface,
or secured from the back side.
1.2 The purpose of this test metllOd is to detennine the
relative burning behavior of the material by observing the
flame spread along the specimen. Flame spread and smoke
developedindex are reported. However, there is not necessarily
a relationship between these two measurements.
1.3 The use of supporting materials on the underside ofthe
test specimen has the ability to lower the flame spread index
from those which might be obtained if the specimen could be
tested without such support. These test results do not neces-
sarily relate to indices obtained by testing materials without
such support.
1.4 Testing of materials that melt, drip, or delaminate to
such a degree that the continuity ofthe flame front is destroyed,
results in low flame spread indices that do not relate directly to
indices obtained by testing materials that remain in place.
LS The values stated in inch-pound lmits are to be regarded
as the standard.
1.6 The text ofthis standard references notes and fooinotes
that provide explanatory infonnation. These notes and foot-
notes, excluding those in tables and figures, shall not be
considered as requirements of the standard.
1.7 This standard is used to measure and describe the
response of materials, products, or assemblies to heat and
flame under controlled conditions, but does not by itself
incorporate all factors required for fire-hazard or fire-risk
t This test method is under the jurisdiction of ASTM Committee E5 on. Fire
Standards and is the direct responsibility of Subcommittee EOS.22 on Sud'ace
Burning.
CUrrent edition approved July 10, 2001. Published July 2001. Originally
published as E 84 - 50 T. Last previous edition E 84 - OOa.
assessment of the materials, products, or assemblies under
actualfire conditions..
1.8 This stamard does not purport to address all of the
sqfety concerns, if any, associated with its use. It is the
responsibility ofthe user ofthis stamard to establish appro-
priate safety am health practices and determine the applica-
bility ofregulatory limitations prior to use.
2. Referenced Documents
2.1 ASTMStamards:
A 390 Specification for Zinc-Coated (Galvanized) Steel
Poultry Fence Fabric (Hexagonal and Straight Linef
C 36 Specification for Gypsum Wallboard3
D 4442 Test Methods for Direct Moisture Content Measure-
ment of Wood and Wood-Base Materials'
D 4444 Test Methods for Use and Calibration ofHand-Held
Moisture Meters4
Wood by the Fire-lUbe Apparatus'
Wood by the Crib Test'
E 162 Test Method for Surface Flammability of Materials
Using a Radiant Heat Energy Source"
E 176 Tenninology of Fire Standards"
E 286 Test Method for Surface Flammability of Building
Materials Using an 8-ft (2.44-m) Tunnel Furnace"
3. Terminology
3.1 Definitions-For definitions of terms used in this test
method refer to Tenninology E 176. The term ftame spread
index from Tenninology E 176 is of perticular interest to this
standard and is defined in 3.1.1.
3.1.1 flame spread index, n-a number or classification
indicating a comparative measure derived from observations
made during the progress of the boundary of a zone of flame
under defined test conditions.
2 Annual Book ofASTM Blandmria, Vol 01.06.
3 Annual Book ofASTM Suuldards, Vol 04.01.
4 Annual Book ofAS1M SIGndmris, Vol 04.10.
S Discontinued; see 1993 Annual Book ofASrM Standards, Vol 04.09.
Ii Annllal Book ofASTM Standards. Vol 04.07.
1 Discontinued; see 1991 Annual Book ofASTM Standards, Vol 04.07.
Copyrlght@ASTM InternatIonal, 100 Barr Harbor DrIve, PO Box C700, West Conshohocken, PA 19425-2959, United Statas.

,
I
NOTIC~;: This standard has either been superceded and ..eplaced by a new version or discontinued.
Contact ASTJ.tI International (""''W.astm.org) for the latest information.
• E84-01
3.2 Definitions ofTerms Specific to This Standard:
3.2.1 smoke developed index, n-a number or classification
indicating a comparative measure derived from smoke obscu-
ration data collected during the test for surface burrdng
characteristics.
3.2.2 surface flame spread, n-the propagation of a flame
away from the source of ignition across the surface of the
specimen.
4. Significance and Use
4.1 This test method is intended to provide only compara-
tive measurements of surface flame spread and smoke density
measurements with that of select grade red oak and inorganic
reinforced cement board surfaces under the specific :fire expo-
sure conditions described herein.
4.2 This test method exposes a nomiual24-ft (7.32-m) long
by 20-in. (508-mm) wide specimen to a controlled air flow aud
flaming fire exposure adjusted to spread the flame along the
entire length ofthe select grade red oak specimen in 5'hmin.
4.3 This test method does not provide for the following:
4.3.1 Measurement of heat trausmission through the tested
surface.
4.3.2 The effect of aggravated flame spread behavior of au
assembly resulting from the proximity of combustible walls
aud ceilings.
4.3.3 ClassifYing or defining a material as noncombustible,
by meaus of a flame spread index by itself
5. Apparatns
5.1 Fire Test Chamber-See Figs. 1-5.
5.1.1 The fire test chamber is a rectaugular horizontal duct
with a removable lid. The inside dimensions are as follows:
Vv1dth:
Depth:
Length:
17 % ± %In. (451 ± 6,3 mm) measured between the top
ledges along the side walls, and 17 % ± o/sin. (448 ± 10,
mm) at all other points. .
12 ± % In. (305 ± 13 mm) measured from the boHom of
the test chamber to the top of the ledges on MIich the
specimen is supported. This measurement includes the :l4c
in, (3.2 mm) thickness of the 1 *' In. (38 mm) wide woven
fiberglass gasket tape.
2S ft ± 3 in. (7,62 m± 76 mm).
5.1.2 The sides aud base ofthe chamber shall be lined with
au insulating firebrick with the dimensions of 4 y, in. by 9 in.
by 2 y, in. thick as illustrated in Fig. 2. The insulating firebrick
shall have thc following properties:
Maximum Recommended Temperature 2600'F (1424"C)
Bulk Density 50 ± 31blft3 (0.17:t 0.046 glom3)
Thermal Conductivity at Mean
Temperature of
W/m··C
400°F (205~C) 1.7 0.24
800°F (42S"C) 1.9 0.27
1200"F (6S0·C) 2.2 0.32
1600"F (870"G) 2.6 0.37
2000"F (109S"C) 3.2 0.46
2400"F (131S°C) 3.9 0.56
5.1.3 One side ofthe chamber shall be provided with double
observation windowss with the inside pane flush mounted (see
Fig. 2). Exposed inside glass shall be 2 % ± % by 11 +1,-2
in. (70 ± 10 by 279 + 25 - 50 mm). 11,e centerline of the
exposed area ofthe inside glass shall be inthe upper balfofthe
furnace wall, with the upper edge not less than 2.5 in. (63 mm)
belowthe furnace ledge. The window shall be located suchthat
not less than 12 in. (305 mm) of the specimen width cau be
g Heat-resistant glass, high-silica, 100 % silica glass, nominal %-rn. thick has
beenfound suitablefor theinteriOI pane. Borosilicate glass, nominal V4-in. thickhas
been found suitable for the exterior pane.
I 15- 1rDRAFT GAUGE CONNECTION rREMOVABLE TOP LID AIR VELOCITY PORT ~
"-_______'~3UH~.~±ill~2~lnh.______~1
AIR INTAKE SHUTIER I--_____________-<;l.'3.11~/4.1Ht...±tlllr£2J!lnh.____________--I
3 ± 1116 in. 23 ft. .:-:;t?in.
Inch Pound Units
3 ± 1/16 in.
12 In.
151n.
54±51n.
4 ft, 61n.
19 ft. 61n.
13 ft. ± 1/2 in.
23 1/4 ft. ± 112 in.
23 ft ± 1/2 In.
24 ft.
25ft.±31n.
24 if.
2 .±3in.
SIUnis
76.2 ± 1.6mm
304,8mm
381 mm
1.37m±127mm
1.37 m
5.94m
3.96 m ± 12.7 mm
7.1 rn±12.7mm
7.0 m± 12.7 mm
7.32m
7.62 m± 76.2 mm
FIG. 1 Test Furnace, Showing Some Critical Dimensions (Not a Construction Drawing)
2
NOTIC~;: This standard has either been superceded and ..eplaced by a new version or discontinued.
Contact ASTJ.tI International (""''W.astm.org) for the latest information.
• E84-01
3.2 Definitions ofTerms Specific to This Standard:
3.2.1 smoke developed index, n-a number or classification
indicating a comparative measure derived from smoke obscu-
ration data collected during the test for surface burrdng
characteristics.
3.2.2 surface flame spread, n-the propagation of a flame
away from the source of ignition across the surface of the
specimen.
4. Significance and Use
4.1 This test method is intended to provide only compara-
tive measurements of surface flame spread and smoke density
measurements with that of select grade red oak and inorganic
reinforced cement board surfaces under the specific :fire expo-
sure conditions described herein.
4.2 This test method exposes a nomiual24-ft (7.32-m) long
by 20-in. (508-mm) wide specimen to a controlled air flow aud
flaming fire exposure adjusted to spread the flame along the
entire length ofthe select grade red oak specimen in 5'hmin.
4.3 This test method does not provide for the following:
4.3.1 Measurement of heat trausmission through the tested
surface.
4.3.2 The effect of aggravated flame spread behavior of au
assembly resulting from the proximity of combustible walls
aud ceilings.
4.3.3 ClassifYing or defining a material as noncombustible,
by meaus of a flame spread index by itself
5. Apparatns
5.1 Fire Test Chamber-See Figs. 1-5.
5.1.1 The fire test chamber is a rectaugular horizontal duct
with a removable lid. The inside dimensions are as follows:
Vv1dth:
Depth:
Length:
17 % ± %In. (451 ± 6,3 mm) measured between the top
ledges along the side walls, and 17 % ± o/sin. (448 ± 10,
mm) at all other points. .
12 ± % In. (305 ± 13 mm) measured from the boHom of
the test chamber to the top of the ledges on MIich the
specimen is supported. This measurement includes the :l4c
in, (3.2 mm) thickness of the 1 *' In. (38 mm) wide woven
fiberglass gasket tape.
2S ft ± 3 in. (7,62 m± 76 mm).
5.1.2 The sides aud base ofthe chamber shall be lined with
au insulating firebrick with the dimensions of 4 y, in. by 9 in.
by 2 y, in. thick as illustrated in Fig. 2. The insulating firebrick
shall have thc following properties:
Maximum Recommended Temperature 2600'F (1424"C)
Bulk Density 50 ± 31blft3 (0.17:t 0.046 glom3)
Thermal Conductivity at Mean
Temperature of
W/m··C
400°F (205~C) 1.7 0.24
800°F (42S"C) 1.9 0.27
1200"F (6S0·C) 2.2 0.32
1600"F (870"G) 2.6 0.37
2000"F (109S"C) 3.2 0.46
2400"F (131S°C) 3.9 0.56
5.1.3 One side ofthe chamber shall be provided with double
observation windowss with the inside pane flush mounted (see
Fig. 2). Exposed inside glass shall be 2 % ± % by 11 +1,-2
in. (70 ± 10 by 279 + 25 - 50 mm). 11,e centerline of the
exposed area ofthe inside glass shall be inthe upper balfofthe
furnace wall, with the upper edge not less than 2.5 in. (63 mm)
belowthe furnace ledge. The window shall be located suchthat
not less than 12 in. (305 mm) of the specimen width cau be
g Heat-resistant glass, high-silica, 100 % silica glass, nominal %-rn. thick has
beenfound suitablefor theinteriOI pane. Borosilicate glass, nominal V4-in. thickhas
been found suitable for the exterior pane.
I 15- 1rDRAFT GAUGE CONNECTION rREMOVABLE TOP LID AIR VELOCITY PORT ~
ASTME84 J1c:;:;J1
__________~~~~~~~~~S~9~~R~:x~~gST
~euRIEDTHEHMOCOUP BURIED TH61MOCOUPLEdj
I
EXPOSED THERMOCOUPLE II
4'- 19ft.6in.
~
5" <;
C.
-------------~--
AIR INTAKE SHUTIER i.--------
,
!l3!J
H
L....±.1
,
[f./2Clln[h·-----;;-3-,-/4-H-.-±-"1/2In.
3±1/16in. 23ft.+il'>in.
Inch Pound Units
3 ± 1116 in.
12 In.
151n.
54::1: 51n.
4 ft, Bin.
19 ft. 61n.
13 ft. ± 1/2 in.
23 1/4 ft. ± 112 in.
23 ft ± 112 In.
24 ft.
25ft.::I:31n.
24 f.
~±3in.
SIUnis
7B.2 ± i.Bmm
304,8mm
381 mm
1.37m±127mm
1.37 m
5.94m
3.96 m ± 12.7 mm
7.1 m±12.7mm
7.0 m± 12.7 mm
7.32m
7.62 m± 76.2 mm
FIG. 1 Test Furnace, Showing Some Critical Dimensions (Not a Construction Drawing)
2

NOTICE: This standard has either been superceded and replaced by a new version or discontinued.
Contact ASTM International (www.a.lm.org) for the latest information•
• E84-01
REMOVABLE LID ASSEMBLY,
0
f-L-LL ----------, 1 'r , .~
, ,
, ,
, CASTABLE INSULATION, __________ .J
t
CASTABLE INSULATION '---EXPANDED METAL
7--TT---- - - - - - - - -
-""
UQUIDSEAL./ rp 17.75 ± 0.25 in. ID~I
=
.~ DOUBLE
l/B in. FIBERGLASS TAPE on
OBSERVci
FURNACE LEDGES V 1/4 in. MINERAL FIBER CEMENT BOARD •
PANE
ATION
WSWINDO
on c
~-I"-,..:
~
IE 4.0 + 0.5 in1 I .;
~i .-7- oi
rtf
c,L,17.625 ,0.375 in.
,
9" x 4.50" x 2.50"
FIRE BRICK LINING.
OPTIONAL: CASTABlE2600° F
REFRACTORY OR FIRE
BRICKUNING
Inch Pound Units .s.t..!.!ni§ Inch-Pound UOil§ ~ Inch-Pound Uni!§ ~
4.0 ± 0.5 in. 101.6 ± 13 mm 17.625 ± 0.375 in. 447.7 ± 9.5 mm 91n. 228.6mm
7.S±O.Sln. 190.5 ± 13 mm 2600"F 1427°C 4.5 in. 114.3 mm
12.0 ± 0.5 in. 317.S± 13 mm liB in. 3.2mm 2.5 in. 63.5 mm
17.75 ± 0.25 in. 450.9 ± 6.4 mm 114 in. 6.4mm
FIG. 2 Test Furnace Showing Critical Dimensions (Not a Construction Drawing)
observed. Multiple windows shall be located along the tunnel
so that the entire length ofthe test sample is observable from
outside the fire chamber. The windows shall be pressure tight
in accordance with 7.2 and 7.2.1.
5.1.4 The ledges shall be fabricated of structural materials9
capable of withstanding the abuse of continuous testiog. The
ledges shall be level with respect to the length and width ofthe
chamber and each other. The ledges shall be maintained in a
state ofrepair commensurate with the frequency, volume, and
severity oftesting occurring at any time.
5.1.5 Lid:
5.1.5.1 The lid shall consist of a removable noncombustible
metal and mineral composite structure as shown in Fig. 2 and
of a size necessary to cover completely the fire test chamber
and the test samples. The lid shall be maintained in an
unwarped and flat condition. When in place, the lid shall be
completely sealed to prevent air leakage into the fire test
chamber during the test.
9 High-temperature furnace refractruy. Zirconimn silicate. or water-cooled steel
tubing have beec. fotmd suitable for this puxpose.
3
5.1.5.2 The lid shall be insulated with a minimal thickness
of 2 in. (51 mm) castable insulation or mineral composite
material having physical characteristics comparable to the
following:
Maximum effective use temperature of
at least 1200°F (650°C)
Bulk density 21 Ibfft3 (336 kg/m3
)
Thermal conductivity at 300 to 70Q"F 0.50 to 0.71 Btu-in.JMt2.oF (0.072 to
(149 to 371"C) 0.102 Wlm'K)
5.1.5.3 The entire lid assembly shall be protected with fiat
sections of high-density (nominal 110 ± 10 Ib/tt" or 1761 ±
160 kg/m3
) 1.4-in. (6.3-mm) inorganic reinforced cement board.
This protective board shall be maintained in an unwarped and
uncracked condition tinough continued replacement. The pro-
tective boardis to be securedto the furnace lid or placed onthe
back side ofthe test specimen.
5.1.6 Gas Burners:
5.1.6.1 One end of the test chamber shall be designated as
the "fire end". This fire end shall be provided with two gas
burners delivering flames upward against the surface ofthe test
sample (see Fig. 2). The bumers shall be spaced 12 in. (305
mm) from the fire end of the test chamber, and 7 V2± 1h in.
Contact ASTM International (www.a.lm.org) for the latest information•
• E84-01
REMOVABLE LID ASSEMBLY,
0
f-L-LL ----------, 1 'r , .~
, ,
, ,
, CASTABLE INSULATION, __________ .J
t
CASTABLE INSULATION '---EXPANDED METAL
7--TT---- - - - - - - - -
-""
UQUIDSEAL./ rp 17.75 ± 0.25 in. ID~I
=
.~ DOUBLE
l/B in. FIBERGLASS TAPE on
OBSERVci
FURNACE LEDGES V 1/4 in. MINERAL FIBER CEMENT BOARD •
PANE
ATION
WSWINDO
on c
~-I"-,..:
~
IE 4.0 + 0.5 in1 I .;
~i .-7- oi
rtf
c,L,17.625 ,0.375 in.
,
9" x 4.50" x 2.50"
FIRE BRICK LINING.
OPTIONAL: CASTABlE2600° F
REFRACTORY OR FIRE
BRICKUNING
Inch Pound Units .s.t..!.!ni§ Inch-Pound UOil§ ~ Inch-Pound Uni!§ ~
4.0 ± 0.5 in. 101.6 ± 13 mm 17.625 ± 0.375 in. 447.7 ± 9.5 mm 91n. 228.6mm
7.S±O.Sln. 190.5 ± 13 mm 2600"F 1427°C 4.5 in. 114.3 mm
12.0 ± 0.5 in. 317.S± 13 mm liB in. 3.2mm 2.5 in. 63.5 mm
17.75 ± 0.25 in. 450.9 ± 6.4 mm 114 in. 6.4mm
FIG. 2 Test Furnace Showing Critical Dimensions (Not a Construction Drawing)
observed. Multiple windows shall be located along the tunnel
so that the entire length ofthe test sample is observable from
outside the fire chamber. The windows shall be pressure tight
in accordance with 7.2 and 7.2.1.
5.1.4 The ledges shall be fabricated of structural materials9
capable of withstanding the abuse of continuous testiog. The
ledges shall be level with respect to the length and width ofthe
chamber and each other. The ledges shall be maintained in a
state ofrepair commensurate with the frequency, volume, and
severity oftesting occurring at any time.
5.1.5 Lid:
5.1.5.1 The lid shall consist of a removable noncombustible
metal and mineral composite structure as shown in Fig. 2 and
of a size necessary to cover completely the fire test chamber
and the test samples. The lid shall be maintained in an
unwarped and flat condition. When in place, the lid shall be
completely sealed to prevent air leakage into the fire test
chamber during the test.
9 High-temperature furnace refractruy. Zirconimn silicate. or water-cooled steel
tubing have beec. fotmd suitable for this puxpose.
3
5.1.5.2 The lid shall be insulated with a minimal thickness
of 2 in. (51 mm) castable insulation or mineral composite
material having physical characteristics comparable to the
following:
Maximum effective use temperature of
at least 1200°F (650°C)
Bulk density 21 Ibfft3 (336 kg/m3
)
Thermal conductivity at 300 to 70Q"F 0.50 to 0.71 Btu-in.JMt2.oF (0.072 to
(149 to 371"C) 0.102 Wlm'K)
5.1.5.3 The entire lid assembly shall be protected with fiat
sections of high-density (nominal 110 ± 10 Ib/tt" or 1761 ±
160 kg/m3
) 1.4-in. (6.3-mm) inorganic reinforced cement board.
This protective board shall be maintained in an unwarped and
uncracked condition tinough continued replacement. The pro-
tective boardis to be securedto the furnace lid or placed onthe
back side ofthe test specimen.
5.1.6 Gas Burners:
5.1.6.1 One end of the test chamber shall be designated as
the "fire end". This fire end shall be provided with two gas
burners delivering flames upward against the surface ofthe test
sample (see Fig. 2). The bumers shall be spaced 12 in. (305
mm) from the fire end of the test chamber, and 7 V2± 1h in.

NOTJ:CE: This standard has either been superceded and replaced by a new version or discontinued.
Contact ASTM International (www.astm.org) for thel.test information•
• ES4-01
Inch Pound Units
17-3/4 ± 1/4 in.
ain.
12 ± 1/2 in.
24 in.
3 in.
lill.h:!i!§.
450.8 ± 6.4 mm
203.2 mm
304.8 ± 12.7 mm
609.6 mm
76.2 mm
• AS REQUIRED
I~
17-3/4 ± 1/4"
~I
"
=8" +
.0-........ /0.
~
~
15
UJ
Cl
in
~
<0
-
a:UJ
tJ
~Cl
UJ
Cl
iii
~
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~
~
~
-
@
a:
5
@
a:
~
141. 18" .141"'-'24" ..
~
-tl
'"
@
a:
5
@
a:
~
FIG. 3 Typical Exhaust End Transition (Not a Construction DraVlling)
(190 ± 13 rum) belowthe under surface ofthe test sample. Gas
to the burners shall be provided through a single inlet pipe,
distributed to each port burner through a tee-section. The outlet
shall be a % in. NPT elbow. The plane of the port shall be
paralIel to the furnace fioor, such that the gas is directed
upward toward the specimen. Each port shall be positioned
with its centerline 4 ± V2 in. (102 ± 13 rum) on each side of
the centerline of the finnace so that the :flame is distributed
evenly over the width of the exposed specimen surface (see
Fig. 2).
5.1.6.2 The controls used to assure constant flow of gas to
the blU11ers during period of use shall consist of a pressure
regulator, a gas meter calibrated to read in increments of not
more than 0.1 ft:3 (2.8 L), a manometer to indicate gas pressure
in inches ofwater, a quickRacting gas shutMoffvalve, and a gas
metering valve.
5.1.7 Air Intake:
5.1.7.1 An air intake shutter shall be located 54 ± 5 in.
(1372 ± 127 rum) upstream of the burner, as measured from
the burner centerline to the outside swface of the shutter (see
Fig. 1). The air intake is to be fitted with a vertically sliding
shutter extending the entire width of the test chamber. The
4
shutter shall be positioned so as to provide an air inlet port 3 ±
1/.. in. (76 ± 2 rum) high measured from the fioor level ofthe
test chamber at the air intake point.
5.1.7.2 To provide air turbulance for proper combustion,
turbulance baffling shall be provided by positiouing six reftae-
tory firebricks (as defined in 5.1.2) along the side walls ofthe
chamber. With the long dimension vertical, 4 "'in. (114-rum)
dimension along the Wall, place the bricks as follows from the
centerline of the burner ports:
On the window side at 7, 12, and 20 :!: ~ ft (2.1, 3.7. and 6.1 :!: 0.2 m)
On the opposite side at 4 *', 9 1h, and 16 :!: *tt (1.3, 2.9, and 4.9 :!: 0.2 m)
5.1.7.3 The movement of air shall be by an induced draft
system having a total draft capacity of at least 0.15 in. (3.8
rum) water colWllll with the sample in place, the shutter at the
fire end open the nonna! 3 ± VI, in. (76 ± 2 rum), and the
damper in the wide open position. A draft gage tap to indicate
static pressure shalI be inselied through the top at the midwidth
ofthe tunnel, 1 ± 0.5 in. (25 ± 12 rum) below the ceiling, 15
± 0.5 in. (381 ± 12 rum) downstream from the inlet shutter
(see Fig. 1).
5.1.8 Exhau}!t End:
NOTJ:CE: This standard has either been superceded and replaced by a new version or discontinued.
Contact ASTM International (www.astm.org) for thel.test information•
• ES4-01
•
Inch Pound Units
17-3/4 ± 1/4 in.
ain.
12 ± 1/2 in.
24 in.
3 in.
lill.h:!i!§.
450.8 ± 6.4 mm
203.2 mm
304.8 ± 12.7 mm
609.6 mm
76.2 mm
AS REQUIRED
I• 17-3/4 + 1/4"
•I
o
=8" +
o
a:UJ
tJ
~o
OJ
o
iii
~
'"
- - -- - - - --
@
a:
5
@
a:
~
41~.o--___-,,::,,-:____.1'3~1--
tl
'"
@
a:
5
@
a:
~
FIG. 3 Typical Exhaust End Transition (Not a Construction DraVlling)
(190 ± 13 rum) belowthe under surface ofthe test sample. Gas
to the burners shall be provided through a single inlet pipe,
distributed to each port burner through a tee-section. The outlet
shall be a % in. NPT elbow. The plane of the port shall be
paralIel to the furnace fioor, such that the gas is directed
upward toward the specimen. Each port shall be positioned
with its centerline 4 ± V2 in. (102 ± 13 rum) on each side of
the centerline of the finnace so that the :flame is distributed
evenly over the width of the exposed specimen surface (see
Fig. 2).
5.1.6.2 The controls used to assure constant flow of gas to
the blU11ers during period of use shall consist of a pressure
regulator, a gas meter calibrated to read in increments of not
more than 0.1 ft:3 (2.8 L), a manometer to indicate gas pressure
in inches ofwater, a quickRacting gas shutMoffvalve, and a gas
metering valve.
5.1.7 Air Intake:
5.1.7.1 An air intake shutter shall be located 54 ± 5 in.
(1372 ± 127 rum) upstream of the burner, as measured from
the burner centerline to the outside swface of the shutter (see
Fig. 1). The air intake is to be fitted with a vertically sliding
shutter extending the entire width of the test chamber. The
4
shutter shall be positioned so as to provide an air inlet port 3 ±
1/.. in. (76 ± 2 rum) high measured from the fioor level ofthe
test chamber at the air intake point.
5.1.7.2 To provide air turbulance for proper combustion,
turbulance baffling shall be provided by positiouing six reftae-
tory firebricks (as defined in 5.1.2) along the side walls ofthe
chamber. With the long dimension vertical, 4 "'in. (114-rum)
dimension along the Wall, place the bricks as follows from the
centerline of the burner ports:
On the window side at 7, 12, and 20 :!: ~ ft (2.1, 3.7. and 6.1 :!: 0.2 m)
On the opposite side at 4 *', 9 1h, and 16 :!: *tt (1.3, 2.9, and 4.9 :!: 0.2 m)
5.1.7.3 The movement of air shall be by an induced draft
system having a total draft capacity of at least 0.15 in. (3.8
rum) water colWllll with the sample in place, the shutter at the
fire end open the normal 3 ± VI, in. (76 ± 2 rum), and the
damper in the wide open position. A draft gage tap to indicate
static pressure shalI be inselied through the top at the midwidth
ofthe tunnel, 1 ± 0.5 in. (25 ± 12 rum) below the ceiling, 15
± 0.5 in. (381 ± 12 rum) downstream from the inlet shutter
(see Fig. 1).
5.1.8 Exhau}!t End:

Contact ASTlVllnternational (www.astm.org) for the latest information•
• E84-01
I I
I I I
I I I
I I
rtI I
I I DAMPERIe
I I I
I I I
I I I
I I
II I PHOTOCEL -€I-
I I
I I I
I I I
I I
I
I I I
I I I
I I I
I I
II I
I I I
I
I
I I
I
I I 6'-0" J
I I "I
TRANSITIO
['" - I
N I
F= ~
R=11"'R
I' 111;:rIII J
6'-Od
2"
,
INCH-POUND UNITS SIUNITS
406.4 mm
50.8mm
1.52 m
16 in.
2 in.
5 ft.
6 ft.
16-40ft.
1.83 m
4.88 -12.2 m
FIG. 4 Plan View-Typical Duct System (Not a Construction
Drawing)
5.1.8.1 The other end of the test chamber is designated as
the exhaust end. The exhaust end shall be fitted with a gradnal
rectangular-to-rollOd transition piece, not less than 20 in. (508
5
rum) in length, with a cross-sectional area ofnot less than 200
in.2
(1290 em2
) at any point (see Fig. 3).
5.1.8.2 The transition piece shall in tnrn be fitted to a 16 in.
(406 rum) diameter duct pipe. A typical duct system shown in
Fig. 4 contains two 90' elbows (see Fig. 5) with the exhaust
duct running beside the fire test chamber. In order to comply
with this typical design, the vertical centerline of the exhaust
duct system is identical to that ofthe fire test chamber.
5.1.8.3 The exhaust duct is to be insulated with at least 2 in.
(51 mm) of bigh temperature mineral composition material
from the exhaust end of the fire chamber to the photometer
location.
5.1.8.4 An exhaust fan shall be installed at the end of the
exhaust duct. The air flow shall be controlled as specified in
5.1.11.
5.1.8.5 An alternative exhaust duct layout design shall
demonstrate equivalency by meeting the requirements speci~
fied in Section 7.
5.1.9 Photometer System:
5.1.9.1 A photometer system consisting of a lamplO aod
photocell" shall be mowrted on a horizontal section of the
16-in. (406-rum) diameter vent pipe at a point where it will be
preceded by a straight run ofpipe (at least 12 diameters or 16
it (4.88 m) and not more than 30 diameters or 40 it (12.19 m)
from the vent end of the chamber, and with the light beam
directed upward along the vertical axis of the vent pipe. The
vent pipe shall be insulated with at least 2 in. (51 rum) of
high~temperature mineral composition material, from the vent
end ofthe chamber to the photometer location. The photoelec-
tric cell of which the output is directly proportional to the
amollOt oflight received shall be mollOted over the light source
and connected to a recording device having a minimum
operating chart width of 5 in. (127 rum) with an accuracy
within ± 1 % of full scale, for indicating changes in the
attenuation ofincident light by the passing smoke, particulate,
and other eflluent. The distance between the light source lens
and the photoceillens shall be 36 ± 4 in. (914 ± 102 rum). The
cylindrical light beam shall pass through 3-in. (76-mm) diam-
eter openings at the top and bottom ofthe 16-in. diameter duct,
with the resultant light beam centered on the photocell.
5.1.9.2 Lineatity ofthe photometer system shall be verified
periodically by interrupting the light beam with callbrated
neutral density filters. The filters shall cover the full range of
the recording instrument. Transmittance values measured by
the photometer, using neutral density filters, shall be within
± 3 % ofthe calibrated value for each filter.
5.1.10 Draft Regulating Device:
5.1.10.1 An automatically controlled damper to regulate the
draftpressure shall be installed in the vent pipe down-stream of
lO The sole source ofsupply ofthe apparatus ]rnOvnto the committee at this time
is 12N sealed beam., clear lens, auto spot lamp, No. 4405, from General Electric,
Nela Park, OR. If you are aware of alternative suppliers, please provide this
infonnation to ASTM Headquarters. Your comments will receive careful consider-
ation at a meeting of the responsible technical committee,I which you may attend.
II The sole source ofsupplyofthe apparatus known to the committee at this time
is No. 856BB from Weston Instruments, Wauconda, IL. If you are a'WllIe of
alternative ffilPpliers, please provide this infonnatiOll to ASTM Headquarters. Your
comments will receive careful consideration at a meeting of the responsible
technical committee,! which you may attend.
Contact ASTlVllnternational (www.astm.org) for the latest information•
• E84-01
I I
I I I
I I I
I I
rtI I
I I DAMPERIe
I I I
I I I
I I I
I I
II I PHOTOCEL -€I-
I I
I I I
I I I
I I
I
I I I
I I I
I I I
I I
II I
I I I
I
I
I I
I
I I 6'-0" J
I I "I
TRANSITIO
['" - I
N I
F= ~
R=11"'R
I' 111;:rIII J
6'-Od
2"
,
INCH-POUND UNITS SIUNITS
406.4 mm
50.8mm
1.52 m
16 in.
2 in.
5 ft.
6 ft.
16-40ft.
1.83 m
4.88 -12.2 m
FIG. 4 Plan View-Typical Duct System (Not a Construction
Drawing)
5.1.8.1 The other end of the test chamber is designated as
the exhaust end. The exhaust end shall be fitted with a gradnal
rectangular-to-rollOd transition piece, not less than 20 in. (508
5
rum) in length, with a cross-sectional area ofnot less than 200
in.2
(1290 em2
) at any point (see Fig. 3).
5.1.8.2 The transition piece shall in tnrn be fitted to a 16 in.
(406 rum) diameter duct pipe. A typical duct system shown in
Fig. 4 contains two 90' elbows (see Fig. 5) with the exhaust
duct running beside the fire test chamber. In order to comply
with this typical design, the vertical centerline of the exhaust
duct system is identical to that ofthe fire test chamber.
5.1.8.3 The exhaust duct is to be insulated with at least 2 in.
(51 mm) of bigh temperature mineral composition material
from the exhaust end of the fire chamber to the photometer
location.
5.1.8.4 An exhaust fan shall be installed at the end of the
exhaust duct. The air flow shall be controlled as specified in
5.1.11.
5.1.8.5 An alternative exhaust duct layout design shall
demonstrate equivalency by meeting the requirements speci~
fied in Section 7.
5.1.9 Photometer System:
5.1.9.1 A photometer system consisting of a lamplO aod
photocell" shall be mowrted on a horizontal section of the
16-in. (406-rum) diameter vent pipe at a point where it will be
preceded by a straight run ofpipe (at least 12 diameters or 16
it (4.88 m) and not more than 30 diameters or 40 it (12.19 m)
from the vent end of the chamber, and with the light beam
directed upward along the vertical axis of the vent pipe. The
vent pipe shall be insulated with at least 2 in. (51 rum) of
high~temperature mineral composition material, from the vent
end ofthe chamber to the photometer location. The photoelec-
tric cell of which the output is directly proportional to the
amollOt oflight received shall be mollOted over the light source
and connected to a recording device having a minimum
operating chart width of 5 in. (127 rum) with an accuracy
within ± 1 % of full scale, for indicating changes in the
attenuation ofincident light by the passing smoke, particulate,
and other eflluent. The distance between the light source lens
and the photoceillens shall be 36 ± 4 in. (914 ± 102 rum). The
cylindrical light beam shall pass through 3-in. (76-mm) diam-
eter openings at the top and bottom ofthe 16-in. diameter duct,
with the resultant light beam centered on the photocell.
5.1.9.2 Lineatity ofthe photometer system shall be verified
periodically by interrupting the light beam with callbrated
neutral density filters. The filters shall cover the full range of
the recording instrument. Transmittance values measured by
the photometer, using neutral density filters, shall be within
± 3 % ofthe calibrated value for each filter.
5.1.10 Draft Regulating Device:
5.1.10.1 An automatically controlled damper to regulate the
draftpressure shall be installed in the vent pipe down-stream of
lO The sole source ofsupply ofthe apparatus ]rnOvnto the committee at this time
is 12N sealed beam., clear lens, auto spot lamp, No. 4405, from General Electric,
Nela Park, OR. If you are aware of alternative suppliers, please provide this
infonnation to ASTM Headquarters. Your comments will receive careful consider-
ation at a meeting of the responsible technical committee,I which you may attend.
II The sole source ofsupplyofthe apparatus known to the committee at this time
is No. 856BB from Weston Instruments, Wauconda, IL. If you are a'WllIe of
alternative ffilPpliers, please provide this infonnatiOll to ASTM Headquarters. Your
comments will receive careful consideration at a meeting of the responsible
technical committee,! which you may attend.

Contact ASTM International (www.astm.org) for the latest infonnation•
• E84-01
o
"'I
R=81l
6>"0 "'I
~--~--~I~ ~
a
o
116" INSIDE DIAMETER I
Inch Pound Units
16 in.
SI Units
406.4 mm
203.2 mm
482.6 mm
Bin.
19 in.
FIG. 5 Typical Duct Elbow (Not a Construction Drawing)
the smoke-indicating attachment. The damper shall be pro-
vided with a manual override.
5.1.10.2 Other manual or automatic draft regulation de-
vices, or both, are allowed to be incorporated to help maintain
fan characterization and air-flow control throughout the test.
5.1.11 Thermocouples:
5.1.11.1 ANo. IS Awg (1.02-mm) thermocouple, with 'Is :':
y, in. (9.5 :': 3.2 mm) ofthe jnnction exposed in the air, shall
be inserted through the floor ofthe test chamber so that the tip
is 1 :': Y"in. (25.4 :': O.S mm) below the top surface of the
gasketing tape and 23 ft :': Y, in. (7.0 m :': 13 mm) from the
centerline of the burner ports at the center of its width.
5.1.11.2 Two No. IS Awg (1.02 mm) thermocouples are
embedded below the floor surface of the test chamber. These
thermocouples shall be mounted at distances of 13 ft :!: Jh in.
(3.96 m :': 13 mm) and 23 14 ft :': Y,in. (7.09 m :': 13 mm)
measW"ed from the centerline ofthe burner ports. The thermo-
couples shall be inserted from below the fire test chamber
tln'ough the firebrick until the tip ofthe thermocouple is 1/8 ±
'h,in. (3.2 ± O.S mm) below the floor surface. The tip of the
thermocouples shall be covered with refractory or portland
cement, carefully <hied to avoid cracking.
6. Test Specimens
6.1 The test specimen shall be at least 2 in. (51 mm) wider
(nominally 2014 :': % in. (514 :': 19 mm) than the interior
width ofthe tmmel. The length ofthe specimen shall be a total
of24 ft:': Y, in. (7.32 m :': 13 mm) and shall be butted against
the vent end ofthe fire test chamber. The specimen consists of
a continuous, lIDbroken len~ or of sections joined end-to-
end. Specimens shall be truly representative of the materials
for which test results are desired. Properties adequate for
6
identification ofthe materials or ingredients, or bo~ ofwhich
the test specimen is made shall be recorded.
6.2 The upstream end ofthe fire test chamber shall be filled
with a 14 :': Y8-in. (356 :': 3 rum) length ofuncoated 16-gauge
(0.053 to 0.060 in.) steel sheet placed on the specimen
mounting ledge in front of and nnder the leading edge of the
specimen.
6.3 The test specimen shall be conditioned to a constant
weight at a temperature of 73.4 :': 5°F (23 :': 2.S0C) and at a
relative humidity of 50 ± 5 %.
7. Calibration
7.1 Place a Y4-in. (6.3-mm) inorganic reinforced cement
board on the ledge of the furnace chamber, then place the
removable lid of the test chamber in position.
7.2 With the lA_in. (6.3-mm) inorganic reinforced cement
board in position on top of the ledge of the furnace chamber
and with theremovable lid inplace, establish a draft to produce
a 0.15-in. (3.S-mm) water-colnnm reading on the draft manom-
eter, with the fire-end shutter open 3 ± V16 in. (76 ± 1.5 rum),
by manually setting the damper as a characterization of fan
performance. Then close and seal the fire-end shutter, without
changing the damper position. The manometer reading shall
increase to at least 0.375 in. (9.53 mm), indicating that no
excessive all' leakage exists.
7.2.1 In addition, conduct a supplemental leakage test peri~
odically with the tmmel sealed from the inlet end to beyond the
photometer system, by placing a smoke bomb in the chamber.
Ignite the bomb and pressurize the chamber to 0.375 :': 0.125
in. (9.53 :': 3.1S mm) water co1nnm. Seal all points ofleakage
observed in the fOlm of escaping smoke particles.
Contact ASTM International (www.astm.org) for thelotest infonnation•
• E84-01
<Xl
~~ m
I------L-----J' ~__~L--
o
116" INSIDE DIAMETER I
Inch Pound Units
16 in.
SI Units
406.4 mm
203.2 mm
482.6 mm
Bin.
19 in.
FIG. 5 Typical Duct Elbow (Not a Construction Drawing)
the smoke-indicating attachment. The damper shall be pro-
vided with a manual override.
5.1.10.2 Other manual or automatic draft regulation de-
vices, or both, are allowed to be incorporated to help maintain
fan characterization and air-flow control throughout the test.
5.1.11 Thermocouples:
5.1.11.1 ANo. IS Awg (1.02-mm) thermocouple, with 'Is :':
y, in. (9.5 :': 3.2 mm) ofthe jnnction exposed in the air, shall
be inserted through the floor ofthe test chamber so that the tip
is 1 :': Y"in. (25.4 :': O.S mm) below the top surface of the
gasketing tape and 23 ft :': Y, in. (7.0 m :': 13 mm) from the
centerline of the burner ports at the center of its width.
5.1.11.2 Two No. IS Awg (1.02 mm) thermocouples are
embedded below the floor surface of the test chamber. These
thermocouples shall be mounted at distances of 13 ft :!: Jh in.
(3.96 m :': 13 mm) and 23 14 ft :': Y,in. (7.09 m :': 13 mm)
measW"ed from the centerline ofthe burner ports. The thermo-
couples shall be inserted from below the fire test chamber
tln'ough the firebrick until the tip ofthe thermocouple is 1/8 ±
'h,in. (3.2 :': O.S mm) below the floor surface. The tip of the
thermocouples shall be covered with refractory or portland
cement, carefully <hied to avoid cracking.
6. Test Specimens
6.1 The test specimen shall be at least 2 in. (51 mm) wider
(nominally 2014 :': % in. (514 :': 19 mm) than the interior
width ofthe tmmel. The length ofthe specimen shall be a total
of24 ft:': Y, in. (7.32 m :': 13 mm) and shall be butted against
the vent end ofthe fire test chamber. The specimen consists of
a continuous, lIDbroken len~ or of sections joined end-to-
end. Specimens shall be truly representative of the materials
for which test results are desired. Properties adequate for
6
identification ofthe materials or ingredients, or bo~ of which
the test specimen is made shall be recorded.
6.2 The upstrearu end ofthe fire test chamber shall be filled
with a 14 :': Y8-in. (356 :': 3 rum) length ofUllcoated 16-gauge
(0.053 to 0.060 in.) steel sheet placed on the specimen
mounting ledge in front of and nnder the leading edge of the
specimen.
6.3 The test specimen shall be conditioned to a constant
weight at a temperature of 73.4 :': 5°F (23 :': 2.S0C) and at a
relative humidity of 50 :': 5 %.
7. Calibration
7.1 Place a Y4-in. (6.3-mm) inorganic reinforced cement
board on the ledge of the furnace chamber, then place the
removable lid of the test chamber in position.
7.2 With the lA_in. (6.3-mm) inorganic reinforced cement
board in position on top of the ledge of the furnace chamber
and with the removable lid in place, establish a draft to produce
a 0.15-in. (3.S-mm) water-colnnm reading on the draft manom-
eter, with the fire-end shutter open 3 ± V16 in. (76 ± 1.5 rum),
by manually setting the damper as a characterization of fan
performance. Then close and seal the fire-end shutter, without
changing the damper position. The manometer reading shall
increase to at least 0.375 in. (9.53 mm), indicating that no
excessive all' leakage exists.
7.2.1 In addition, conduct a supplemental leakage test peri-
odically with the tmmel sealed from the inlet end to beyond the
photometer system, by placing a smoke bomb in the chamber.
Ignite the bomb and pressurize the chamber to 0.375 :': 0.125
in. (9.53 :': 3.1S mm) water co1nnm. Seal all points ofleakage
observed in the fOlm of escaping smoke particles.

NOTICE: TWs standard has either been superceded and replaced by a new version or discontinued.
Contnct ASTl'I Internntional (www.astm.org) for the latest information.
e E84-01
7.3 Establish a draft reading withinthe range 0.055 to 0.100
in. (lAO to .2.54 mm) water column. The required draft gage
reading will be maintainedthroughout the test by the automati-
cally controlled damper. Record the air velocity at seven
points, 23 ft from the centerline ofthe burner ports, 6 ± 1/4 in.
(168 ± 7 mm) below the plane of the specimen mounting
ledge. Determine these seven points by dividing the width of
the tunnel into seven equal sections and recording the velocity
at the geometrical center of each section. During the measure-
ment ofvelocity, remove the turbulence bricks (see 4.3) and the
exposed 23-ft thennocouple and place 24-in. (670-mm) long
straightening vanes between 16 and 18 ft (4.88 and 5049 m)
from the bumer. The straightening vanes shall divide the
furnace cross section into nine unifonn sections. Detennine the
velocity with furnace air temperature at 7304 ± 5'F (23 ±
2.8°C), using a velocitytransducer. The velocity, detennined as
the arithmetic average ofthe seven readings, shall be 240 ± 5
ft (73.2 ± 1.4 m)/min.
7.3.1 The following alternative to the velocity transducer
equipment and method of determining the tunnel air velocity
has been found suitable: A 4-in.diameter low-speed rotery
vane anemometer, having a resolution of 1 ft.lmin. with an
accuracy of ± 2 %, is attached to the steel stand and placed in
the tunnel 22.5 ft downstream ofthe bumers. Three trials shall
be conducted and their values averaged The average is
rounded to the nearest unit. The centerline of the vane
anemometer sha1l be aligned with the vertical centerline ofthe
tunnel by placing it on the steel stand. Trial 1 is run with the
vane edge 1 in. from the non-window wall; Trial 2 is with the
center axis at the twmel center point; and Trial 3 is run with the
vane edge 1 in. from the window wall.
7.4 The room in which the test chamber is located shall have
provision for a free inflow of air during test to maintain the
room at atmospheric pressure during the entire test run.
Maintain the air supply at a temperature of73.4 ± 5°F (23 ±
2.8°C) and a relative humidity of 50 ± 5 %.
7.5 Supply the fire test chamber with natural (city) or
methane (bottled) gas fuel of uniform quality with a heating
value ofnourinally 1000 Btulft" (37.3 MJ/m'). Adjust the gas
supply initially at approximately 5000 Btu (5.3 MJ)/min.
Record the gas pressure, the pressure differential across the
orifice plate, and the volume of gas used in each test. If a
temperature- and pressure-compensating mass flowmeter is
utilized, record only the volume ofgas used Unless otherwise
corrected for, when bottled methane is employed, insert a
length of coiled copper tubing into the gas line between the
supply and metering connection to compensate for possible
errors in the flow indicated due to reductions in gas tempera-
ture associated with the pressure drop and expansion across the
regulator. Withthe draft and gas supply adjusted as indicated in
7.3 and 704, the test flame shall extend downstream to a
distance of 4V:z ft (1.37 m) over the specimen surface, with
negligible upstream coverage.
7.6 Preheat the test chamber with the V.-in. (6.3-mm)
inorganic reinforced cement board and the removable lid in
place and with the fuel supply adjusted to the required flow.
Continue the preheating until the temperature indicated by the
floor thermocouple at 23V, ft (7.09 m) reaches 150 ± 5°F (66
7
± 2.8°C). During the preheat test, record the temperatures
indicated by the thetmocouple at the vent end of the test
chamber at intervals not longer than 15 s and compare these
readings to the preheat temperature shown in the time-
temperature curve in Fig. 3. This preheating is for the porpose
of establishiog the conditions that will exist following succes-
sive tests and for indicating the control of the heat input into
thetest chamber. Ifappreciable variation from the temperatures
sho'Wll in the representative preheat curve is observed, suitable
adjustments in the fuel supply may be necessary based on red
oak calibration tests.
7.7 Allow the furnace to cool after each test. When the floor
thermocouple at 13 ft (3.96 m) shows a temperature of 105 ±
5°F (40.5 ± 2.8°C), place the next specimen in position for
test.
7.8 With the test equipment adjusted and conditioned as
described in 7.2,7.3,7.4, and 7.6, make a test or series oftests,
using nominal "h,-in. (18.3-mm) select-grade red oak flooring
as a sample. The red oak decks are to be constructed and
conditioned as specified in Annex Al and Annex A2. Make
observations at distance intervals not in excess of 2 ft (0.6 m)
and time intervals not in excess of 30 s, and record the time
when the flame reaches the end ofthe specimen 19V:z ft (5.94
m) from the end ofthe igoition fire. The end ofthe igoitionfire
shall be considered as being 4V:z ft (1.37 m) from the bumers.
The flame sha1l reach the end point in 5V2urin± 15 s.
Automatically record the temperatures measured by the ther-
mocouple near the vent end at least every 15 s. Automatically
record the photoelectric cell outPut immediately prior to the
test and at least every 15 s during the test.
7.8.1 Another means ofjudging when the flame has reached
the end point is when the exposed thermocouple at 23 ft
registers a temperature of 980°F (527°C).
7.9 Plot the flame spread distance, temperature, and change
in photoelectric cell readings separately on suitable coordinate
paper. Figs. 4-6 are representative curves for red oak flame
spread distance, time-temperature development, and smoke
density, respectively. Flame spread distance shall be deter-
mined as the observed distance minus 4V, ft (1.37 m).
7.10 Following the calibration tests for red oak, conduct a
similar test or tests on samples of V4-in. (6.3-mm) inorganic
reinforced cement board These results shall be considered as
representing an index of O. Plot the temperature readings
separately on suitable coordinate paper. Fig. 7 is a representa-
tive curve for time-temperature development for inorganic
reinforced cement board
FIG. 6 Representative Time-Absorption Curve for Smoke Density
of Red Oak
NOTICE: TWs standard has either been superceded and replaced by a new version or discontinued.
Contnct ASTl'I Internntional (www.astm.org) for the latest information.
e E84-01
7.3 Establish a draft reading withinthe range 0.055 to 0.100
in. (lAO to .2.54 mm) water column. The required draft gage
reading will be maintainedthroughout the test by the automati-
cally controlled damper. Record the air velocity at seven
points, 23 ft from the centerline ofthe burner ports, 6 ± 1/4 in.
(168 ± 7 mm) below the plane of the specimen mounting
ledge. Determine these seven points by dividing the width of
the tunnel into seven equal sections and recording the velocity
at the geometrical center of each section. During the measure-
ment ofvelocity, remove the turbulence bricks (see 4.3) and the
exposed 23-ft thennocouple and place 24-in. (670-mm) long
straightening vanes between 16 and 18 ft (4.88 and 5049 m)
from the bumer. The straightening vanes shall divide the
furnace cross section into nine unifonn sections. Detennine the
velocity with furnace air temperature at 7304 ± 5'F (23 ±
2.8°C), using a velocitytransducer. The velocity, detennined as
the arithmetic average ofthe seven readings, shall be 240 ± 5
ft (73.2 ± 1.4 m)/min.
7.3.1 The following alternative to the velocity transducer
equipment and method of determining the tunnel air velocity
has been found suitable: A 4-in.diameter low-speed rotery
vane anemometer, having a resolution of 1 ft.lmin. with an
accuracy of ± 2 %, is attached to the steel stand and placed in
the tunnel 22.5 ft downstream ofthe bumers. Three trials shall
be conducted and their values averaged The average is
rounded to the nearest unit. The centerline of the vane
anemometer sha1l be aligned with the vertical centerline ofthe
tunnel by placing it on the steel stand. Trial 1 is run with the
vane edge 1 in. from the non-window wall; Trial 2 is with the
center axis at the twmel center point; and Trial 3 is run with the
vane edge 1 in. from the window wall.
7.4 The room in which the test chamber is located shall have
provision for a free inflow of air during test to maintain the
room at atmospheric pressure during the entire test run.
Maintain the air supply at a temperature of73.4 ± 5°F (23 ±
2.8°C) and a relative humidity of 50 ± 5 %.
7.5 Supply the fire test chamber with natural (city) or
methane (bottled) gas fuel of uniform quality with a heating
value ofnourinally 1000 Btulft" (37.3 MJ/m'). Adjust the gas
supply initially at approximately 5000 Btu (5.3 MJ)/min.
Record the gas pressure, the pressure differential across the
orifice plate, and the volume of gas used in each test. If a
temperature- and pressure-compensating mass flowmeter is
utilized, record only the volume ofgas used Unless otherwise
corrected for, when bottled methane is employed, insert a
length of coiled copper tubing into the gas line between the
supply and metering connection to compensate for possible
errors in the flow indicated due to reductions in gas tempera-
ture associated with the pressure drop and expansion across the
regulator. Withthe draft and gas supply adjusted as indicated in
7.3 and 704, the test flame shall extend downstream to a
distance of 4V:z ft (1.37 m) over the specimen surface, with
negligible upstream coverage.
7.6 Preheat the test chamber with the V.-in. (6.3-mm)
inorganic reinforced cement board and the removable lid in
place and with the fuel supply adjusted to the required flow.
Continue the preheating until the temperature indicated by the
floor thermocouple at 23V, ft (7.09 m) reaches 150 ± 5°F (66
7
± 2.8°C). During the preheat test, record the temperatures
indicated by the thetmocouple at the vent end of the test
chamber at intervals not longer than 15 s and compare these
readings to the preheat temperature shown in the time-
temperature curve in Fig. 3. This preheating is for the porpose
of establishiog the conditions that will exist following succes-
sive tests and for indicating the control of the heat input into
thetest chamber. Ifappreciable variation from the temperatures
sho'Wll in the representative preheat curve is observed, suitable
adjustments in the fuel supply may be necessary based on red
oak calibration tests.
7.7 Allow the furnace to cool after each test. When the floor
thermocouple at 13 ft (3.96 m) shows a temperature of 105 ±
5°F (40.5 ± 2.8°C), place the next specimen in position for
test.
7.8 With the test equipment adjusted and conditioned as
described in 7.2,7.3,7.4, and 7.6, make a test or series oftests,
using nominal "h,-in. (18.3-mm) select-grade red oak flooring
as a sample. The red oak decks are to be constructed and
conditioned as specified in Annex Al and Annex A2. Make
observations at distance intervals not in excess of 2 ft (0.6 m)
and time intervals not in excess of 30 s, and record the time
when the flame reaches the end ofthe specimen 19V:z ft (5.94
m) from the end ofthe igoition fire. The end ofthe igoitionfire
shall be considered as being 4V:z ft (1.37 m) from the bumers.
The flame sha1l reach the end point in 5V2urin± 15 s.
Automatically record the temperatures measured by the ther-
mocouple near the vent end at least every 15 s. Automatically
record the photoelectric cell outPut immediately prior to the
test and at least every 15 s during the test.
7.8.1 Another means ofjudging when the flame has reached
the end point is when the exposed thermocouple at 23 ft
registers a temperature of 980°F (527°C).
7.9 Plot the flame spread distance, temperature, and change
in photoelectric cell readings separately on suitable coordinate
paper. Figs. 4-6 are representative curves for red oak flame
spread distance, time-temperature development, and smoke
density, respectively. Flame spread distance shall be deter-
mined as the observed distance minus 4V, ft (1.37 m).
7.10 Following the calibration tests for red oak, conduct a
similar test or tests on samples of V4-in. (6.3-mm) inorganic
reinforced cement board These results shall be considered as
representing an index of O. Plot the temperature readings
separately on suitable coordinate paper. Fig. 7 is a representa-
tive curve for time-temperature development for inorganic
reinforced cement board
FIG. 6 Representative Time-Absorption Curve for Smoke Density
of Red Oak

NOTICE: This standard bas either been superceded and replaced by a new version or discontinued.
Contact ASTM International (www.astm.org) for the latest information.
OE84-01
600 L-J........!---.!.-.--I- -l-..i.~,..j.·-t_.j.·.j.._~ ~ -I-~ -I. 1--1...-1 316
~ 550 2"
• i•~ u
!500 260
t-!!
,;
~
t450
<;
232
!E
~
301111111111111111111111111111111111111111t4.
o 1 2 3 4 5 G 7 8 9 C
Time. minutes
FIG. 7 Representative Time-Temperature Curve for Fuel Contribution of Inorganic Reinforced Cement Board
8. Procedure
8.1 With the furnace draft operating, place the test specimen
on the test chamber ledges that have been completely covered
with nominal I/S-in. (3.2-nnn) thick by 1Y2-in. (38-nnn) wide
woven gasketing tape. Place the specimen as quickly as is
practical. Place the removable top in position over the speci-
men.
8.2 Keep the completely mounted specimen in position in
the chamber with the thrnace draft operating for 120 :': 15 s
prior to the application ofthe test flame.
8.3 Ignite the bmner gas. Observe and record the distance
and time of maximum flame front travel with the room
darkened Continue the test for a lO-minperiod. Termination of
the test prior to 10 min is permitted if the specimen is
completely consumed in the fire area and no further progres-
sive burning is evident and the photoelectric cell reading has
retmned to the baseline.
804 Record the photoelectric cell output inunediately prior
to the test and at least every 15 s duriog the test.
8.5 Record the gas pressure, the pressure differential across
the orifice plate. and the volume of gas used in each test. If a
temperature- and pressure-compensating mass flowmeter de-
vice is used to monitor the gas flow, record only the volume of
gas.
8.6 When the test is ended, shut offthe gas supply, observe
smoldering aod other conditions withio the test duct, aod
remove the specimen for fmther examination.
8.7 Plot the flame spread distaoce, temperature, aod change
in photoelectric cell readings separately on the same type of
coordinate paper as used in 7.9 for use in detennining the
flame~spread and smoke-developed indexes as outlined in
Section 9. Flame front advancement shall be recorded at the
time of occurrence or at least every 30 s ifno advancement is
noted. Flame spread distance shall be determined as the
observed distaoce minus 4Y, ft (1.37 m).
9. Interpretation of Results
9.1 The flame spread index (PSI) shall be the valve,
detennined as follows, rounded to the nearest multiple offive.
8
9.1.1 In plotting the flame spread distaoce-time relationship,
all progressive flaming as previously recorded shall be in~
cluded at the time of occurrence. A straight line shall be used
to connect successive points. The total area (AT) under the
flame spread distaoce-time plot shall be determined by ignor-
ing any flame front recession. For example, in Fig. 8 the flame
spreads 10 ft (3.05 m) in 2Vz mio aod then recedes. The area is
calculated as if the flame had spread to 10ft in 2Y2 min aod
then remained at 10 ft for the remainder ofthe test or until the
flame front again passed 10ft. This is shown by the deshed line
io Fig. 8. The area (AT) used for calculating the flame spread
index is the sum of areas Al and A2 in Fig. 8.
9.1.2 If this total area (AT) is less thao or equal to 97.5
ft·min, the flame spread index shall be 0.515 times the total
area (pSI ~ 0.515 AT).
9.1.3 If the total area (AT) is greater than 97.5 ft·min, the
flame spread index shall be 4900, divided by the difference of
195 minus the total area (AT). (pSI ~ 4900/(195 - AT)).
9.2 The test results for smoke shall be plotted, using the
same coordinates as in 7.9. The area under the curve shall be
divided by the area under the curve for red oak, multiplied by
100, aod rounded to the nearest multiple offive to establish a
numerical smoke-developed index. The performance of the
material is compared -with that of inorganic reinforced cement
board and select grade red oak flooring. which have been
arbitrarily established as 0 and 100, respectively. For smoke-
developed indexes 200 or more, the calculated value shall be
rounded to the nearest 50 points.
NOTE I-Allowance should be made for accwn-wation of soot and dust
on the photoelectric cell during the test by establishing a revised base line.
The revised base line shall be a straight line drawn from the zero point
(point on base line where incipient light attenuation occurs) to the point
established after the sample has been removed.
10. Analysis of Products of Combustion
10.1 Samples for combustion product analysis, when analy-
sis is requested, shall be taken downstream from the photom-
eter. or shall consist of not more than 1 % of the total flow.
Analysis ofthe products of combustion is not required in this
test method.
NOTICE: This standard bas either been superceded and replaced by a new version or discontinued.
OE84-01
600 "6
i 550 2"
• i~ u
!500 260
t-!!
,;
~
t450
<;
232
!E
~
3031111111111111111111111111111111111111111..
o I 2 3 4 5 G 7 8 9 C
Time, minutes
FIG. 7 Representative Time-Temperature Curve for Fuel Contribution of Inorganic Reinforced Cement Board
8. Procedure
8.1 With the furnace draft operating, place the test specimen
on the test chamber ledges that have been completely covered
with nominal I/S-in. (3.2-nnn) thick by 1Y2-in. (38-nnn) wide
woven gasketing tape, Place the specimen as quickly as is
practical. Place the removable top in position over the speci-
men.
8.2 Keep the completely mounted specimen in position in
the chamber with the thrnace draft operating for 120 :': 15 s
prior to the application ofthe test flame.
8.3 Ignite the bmner gas. Observe and record the distance
and time of maximum flame front travel with the room
darkened Continue the test for a 10-minperiod. Termination of
the test prior to 10 min is permitted if the specimen is
completely consumed in the fire area and no further progres-
sive burning is evident and the photoelectric cell reading has
retmned to the baseline.
804 Record the photoelectric cell output immediately prior
to the test and at least every 15 s during the test.
8.5 Record the gas pressure, the pressure differential across
the orifice plate. and the volume of gas used in each test. If a
temperature- and pressure-compensating mass flowmeter de-
vice is used to monitor the gas flow, record only the volume of
gas.
8.6 When the test is ended, shut offthe gas supply, observe
smoldering aod other conditions within the test duct, aod
remove the specimen for fmther examination.
8.7 Plot the flame spread distaoce, teroperature, aod change
in photoelectric cell readings separately on the same type of
coordinate paper as used in 7.9 for use in detennining the
flame~spread and smoke-developed indexes as outlined in
Section 9. Flame front advancement shall be recorded at the
time of occurrence or at least every 30 s ifno advancement is
noted. Flame spread distance shall be determined as the
observed distaoce minus 4Y, ft (1.37 m).
9. Interpretation of Results
9.1 The flame spread index (PSI) shall be the valve,
detennined as follows, rounded to the nearest multiple offive.
8
9.1.1 In plotting the flame spread distaoce-time relationship,
all progressive flaming as previously recorded shall be in~
cluded at the time of occurrence. A straight line shall be used
to connect successive points. The total area (AT) under the
flame spread distaoce-time plot shall be determined by igoor-
ing any flame front recession. For example, in Fig. 8 the flame
spreads 10 ft (3.05 m) in 2Vz mio aod then recedes. The area is
calculated as if the flame had spread to 10ft in 2Y2 min aod
then remained at 10 ft for the remainder ofthe test or until the
flame front again passed 10ft. This is shown by the deshed line
io Fig. 8. The area (AT) used for calculating the flame spread
index is the sum of areas Al and A2 in Fig. 8.
9.1.2 If this total area (AT) is less thao or equal to 97.5
ft·min, the flame spread index shall be 0.515 times the total
area (pSI ~ 0.515 AT).
9.1.3 If the total area (AT) is greater than 97.5 ft·min, the
flame spread index shall be 4900, divided by the difference of
195 minus the total area (AT). (pSI ~ 4900/(195 - AT)).
9.2 The test results for smoke shall be plotted, using the
same coordinates as in 7.9. The area under the curve shall be
divided by the area under the curve for red oak, multiplied by
100, aod rouoded to the nearest multiple offive to establish a
numerical smoke-developed index. The performance of the
material is compared -with that of inorganic reinforced cement
board and select grade red oak flooring. which have been
arbitrarily established as 0 and 100, respectively. For smoke-
developed indexes 200 or more, the calculated value shall be
rounded to the nearest 50 points.
NOTE I-Allowance should be made for accwnulation of soot and dust
on the photoelectric cell during the test by establishing a revised base line.
The revised base line shall be a straight line drawn from the zero point
(point on base line where incipient light attenuation occurs) to the point
established after the sample has been removed.
10. Analysis of Products of Combustion
10.1 Samples for combustion product analysis, when analy-
sis is requested, shall be taken downstream from the photom-
eter, or shall consist of not more than 1 % of the total flow.
Analysis ofthe products of combustion is not required in this
test method.

Contact ASTM International (www.astm.org) for the latest information•
• EB4-01
20
18
16
1~
~12
w
w
'710
~
%
t; 8
;:;
6
4
2
0
1 2 3 ~ 5 10
TIME - MJ NUTE~
FIG. 8 Example of Time-Distance Relationship with Flame Front Recession
(Total Area, AT = A1 + A2 )
11. Report
11.1 Report the following information:
11.1.1 Description ofthe material being tested, including its
composition or generic identification, thickness, and any rel-
evant additional details,
11.1.2 Test results as calculated in Section 9,
11.1.3 Details ofthe method usedin placing the specimeu in
the chamber, to include the following:
11.1.3.1 A statement whether a continuous or sectioned
specimen is used,
11.1.3.2 A description of the number of sections and their
sizes, when the specimen consists of sections joined end-to-
end,
11.1.3.3 The mounting method employed,
11.1.3.4 The method of placement of the cement board
protecting the furnace lid assembly.
11.1.4 Observations of the burning characteristics of the
specimen dlning test exposme, such as delamination, sagging,
shrinkage, fallout, etc., and
11.1.5 Graphical plots offlame spread and smoke developed
data.
12. Precision and Bias U
12.1 Precision-A series ofinterlaboratory tests for this test
method was run using eleven laboratories and six materials.
Four replicates of each material were tested The complete
results have been placed on file at ASTM Headquarters as a
Research Project eutitled"Interlaboratory Test Study onASTM
E84, StandardTest Methodfor Surface Burning Characteristics
ofBuildingMaterials." Data was calculated in accordance with
Practice E 691 and ISO 5725.
12 Supporting data have been. filed at ASTM Headquarters and may be obtained
by requesting PCN 33000014-31.
9
12.2 Even though Test Method E 84 provides measuremeul
of a Flame Spread Index and a Smoke Developed Index, only
the Flame Spread Index is considered in this precision state~
ment because the test series utilized a smoke measurement
system that was a variation from that described in the test
method. Data on precision of the smoke developed index is
being worked on by Task Group No.1 of Subcommittee E5.22
and will be included in a future revision oftbis test method.
12.3 Within-laboratory (repeatability) data is giveu in Table
1.
12.4 Betweeu-laboratory (reproducibility) data is giveu in
Table 2.
12.5 Bias-No information is presented on the bias of the
procedure in this test method because correct values for
fire-test-response characteristics ofbuilding materials can only
be defined interms ofa test method. Within tbis limitation, this
test method has no known bias and can be accepted as a
refereuce method.
13. Keywords
·13.1 flame spread; flame spread index; smoke developed;
smoke developed index; Steiner tunnel; surface burning char-
acteristics; 25 ft tunnel; tunnel test
TABLE 1 Within-Laboratory (Repeatability) Precision Data
Materlal
Douglas Ar Plyv.IOod
Fire Retardant Treated
Douglas FIr Plywood
Type X Gypsum Board
RigId Polystyrene Foam
Rigid Polyurethane Foam
Composite Panel
Parameter. Flame Spread Index
Repeatability Relative
Standard Standard
Mean Value DevIation, Sr Devlatlon.%
91 15 16
17 3 17
•7
2.
17
2
1
3
2
,.18
13
12
Contact ASTM International (www.astm.org) for the latest information•
• EB4-01
20
18
16
1~
~12
w
w
'710
~
%
t; 8
;:;
6
4
2
0
1 2 3 ~ 5 10
TIME - MJ NUTE~
FIG. 8 Example of Time-Distance Relationship with Flame Front Recession
(Total Area, AT = A1 + A2 )
11. Report
11.1 Report the following information:
11.1.1 Description ofthe material being tested, including its
composition or generic identification, thickness, and any rel-
evant additional details,
11.1.2 Test results as calculated in Section 9,
11.1.3 Details ofthe method usedin placing the specimeu in
the chamber, to include the following:
11.1.3.1 A statement whether a continuous or sectioned
specimen is used,
11.1.3.2 A description of the number of sections and their
sizes, when the specimen consists of sections joined end-to-
end,
11.1.3.3 The mounting method employed,
11.1.3.4 The method of placement of the cement board
protecting the furnace lid assembly.
11.1.4 Observations of the burning characteristics of the
specimen dlning test exposme, such as delamination, sagging,
shrinkage, fallout, etc., and
11.1.5 Graphical plots offlame spread and smoke developed
data.
12. Precision and Bias U
12.1 Precision-A series ofinterlaboratory tests for this test
method was run using eleven laboratories and six materials.
Four replicates of each material were tested The complete
results have been placed on file at ASTM Headquarters as a
Research Project eutitled"Interlaboratory Test Study onASTM
E84, StandardTest Methodfor Surface Burning Characteristics
ofBuildingMaterials." Data was calculated in accordance with
Practice E 691 and ISO 5725.
12 Supporting data have been. filed at ASTM Headquarters and may be obtained
by requesting PCN 33000014-31.
9
12.2 Even though Test Method E 84 provides measuremeul
of a Flame Spread Index and a Smoke Developed Index, only
the Flame Spread Index is considered in this precision state~
ment because the test series utilized a smoke measurement
system that was a variation from that described in the test
method. Data on precision of the smoke developed index is
being worked on by Task Group No.1 of Subcommittee E5.22
and will be included in a future revision oftbis test method.
12.3 Within-laboratory (repeatability) data is giveu in Table
1.
12.4 Betweeu-laboratory (reproducibility) data is giveu in
Table 2.
12.5 Bias-No information is presented on the bias of the
procedure in this test method because correct values for
fire-test-response characteristics ofbuilding materials can only
be defined interms ofa test method. Within tbis limitation, this
test method has no known bias and can be accepted as a
refereuce method.
13. Keywords
·13.1 flame spread; flame spread index; smoke developed;
smoke developed index; Steiner tunnel; surface burning char-
acteristics; 25 ft tunnel; tunnel test
TABLE 1 Within-Laboratory (Repeatability) Precision Data
Materlal
Douglas Ar Plyv.IOod
Fire Retardant Treated
Douglas FIr Plywood
Type X Gypsum Board
RigId Polystyrene Foam
Rigid Polyurethane Foam
Composite Panel
Parameter. Flame Spread Index
Repeatability Relative
Standard Standard
Mean Value DevIation, Sr Devlatlon.%
91 15 16
17 3 17
•7
2.
17
2
1
3
2
,.18
13
12

NOTICE: This standard has either been superceded and reillaced by a new version or discontinued.
AI.I Introduction
Contact ASTM International ('ww.astm.org) for the latest information.
OE84-01
TABLE 2 Betvw'een~Laboratory (Reproducibility) Precision Data
Parameter-Flame Spread Index
Material Reproducibility Relative
Standard Standard
Mean value Deviation, SR Deviatlon,%
Douglas Fir Plywood 91 23 25
Fire Retardant Treated 17 6 33
Douglas Fir Plywood
Type X Gypsum Board 9 3 36
Rigid Polystyrene Foam 7
• 60
Rigid Polyurethane Foam 2' 5 23
Composite Panel 17
• 21
ANNEXES
(Mandatory Information)
AI. CONSTRUCTION GUIDELINES OF RED OAK DECKS
Al.l.1 General construction outline ofthe red oak decks is
shown in Fig. Al.l.
10
NOTICE: This standard has either been superceded and reillaced by a new version or discontinued.
AI.I Introduction
Contact ASTM International ('ww.astm.org) for the latest information.
OE84-01
TABLE 2 Betvw'een~Laboratory (Reproducibility) Precision Data
Parameter-Flame Spread Index
Material Reproducibility Relative
Standard Standard
Mean value Deviation, SR Deviatlon,%
Douglas Fir Plywood 91 23 25
Fire Retardant Treated 17 6 33
Douglas Fir Plywood
Type X Gypsum Board 9 3 36
Rigid Polystyrene Foam 7
• 60
Rigid Polyurethane Foam 2' 5 23
Composite Panel 17
• 21
ANNEXES
(Mandatory Information)
AI. CONSTRUCTION GUIDELINES OF RED OAK DECKS
Al.l.1 General construction outline ofthe red oak decks is
shown in Fig. Al.l.
10

Contact ASTM Internationnl ('ww.astm.org) for the latest information.
<0 E84-01
IFTHERE IS AN OlITSIDE JOIN')
I 61n. Iminimum
· · r'J · ·· · ·· I'.1 · I ·· ,
· ·· "-f · 1 ·· · ·,
· ,
·· , ,
· ,
· ,
· . ,
·· , ,
, ,
·· ,
·, ,
· ·· I'.1 · · ·· , ,
·· I' .1
,
·· . · ,
12 In. 24 In. 24 in. 24 In. 12 in.
rl----------------96In.---------------1
• Use 9 rows of red oak per deck.
• Ballen strips are nominal 1 in. by 2 in. or 1 in. by 3 in.
• Use 4d cement coated nails or equivalent, two per red oak strip per batten.
• For outside edges, use longest red oak strips available. If shorter than 96 in., use 6 in. long batten strips.
• Do not use red oak strips less than 24 in. long on outside edge.
• Allow 6 in. minimum distance between other joints on adjacent red oak strips.
• While nailing, use cabinet clamps or other sUitable means to ensure there are no cracks or gaps between the
red oakstrips in the deck surface.
Inch-POllnd Uoils
1 in.
2in.
6 in.
12 in.
24 in.
96 in.
~
25.4mm
50.Smm
152.4 mm
304.8mrn
609.6mm
2.44m
FIG. A1.1 Red Oak Calibration Deck Construction
A2. PROCEDURE FOR DETERMINING MOISTURE CONTENT IN RED OAK
A2.1 Introduction
A2.1.l This procedure shall be used for the detennination of
moisture content ofthe selectRgrade red oak calibration mate-
rial. From trimmed sections ofthe calibration decks, prepare a
minimum of six specimens 4 +'/,6 -0 inches (100 +2 -0 nnn)
long. The specimens shall be free from visible irregularities of
knots, decay, reaction wood. and resin concentration. Place the
trimmed sections adjacent to the calibration decks in a condi-
1l
tioning atmosphere that will result in an average moisture
content of? ± 0.5 %. Using either a conductance or dielectricR
type meter (calibrated per Test Methods D 4444), monitor
moisture content until the desired level is reached. Subject the
trimmed sections only to the secondary oven-drying method
(MethodB) in Test Methods D 4442 for the final determination
of moisture content.
Contact ASTM Internationnl ('ww.astm.org) for the latest information.
<0 E84-01
IFTHERE IS AN OlITSIDE JOIN')
I·.11----1
1
••1--
1
--1
t==:12 In. 24 In. 24 in.
I 61n. Iminimum
1
1
24 In. 12 in.
1 - 1 - - - - - - - - - - - - - - - - 9 6 I n . - - - - - - - - - - - - - - -
• Use 9 rows of red oak per deck.
• Ballen strips are nominal 1 in. by 2 in. or 1 in. by 3 in.
• Use 4d cement coated nails or equivalent, two per red oak strip per batten.
• For outside edges, use longest red oak strips available. If shorter than 96 in., use 6 in. long batten strips.
• Do not use red oak strips less than 24 in. long on outside edge.
• Allow 6 in. minimum distance between other joints on adjacent red oak strips.
• While nailing, use cabinet clamps or other sUitable means to ensure there are no cracks or gaps between the
red oakstrips in the deck surface.
Inch-POllnd Uoils
1 in.
2in.
6 in.
12 in.
24 in.
96 in.
~
25.4mm
50.Smm
152.4 mm
304.Smrn
609.6mm
2.44m
FIG. A1.1 Red Oak Calibration Deck Construction
A2. PROCEDURE FOR DETERMINING MOISTURE CONTENT IN RED OAK
A2.1 Introduction
A2.1.l This procedure shall be used for the detennination of
moisture content ofthe selectRgrade red oak calibration mate-
rial. From trimmed sections ofthe calibration decks, prepare a
minimum of six specimens 4 +'/,6 ·0 inches (100 +2 ·0 nnn)
long. The specimens shall be free from visible irregularities of
knots, decay, reaction wood. and resin concentration. Place the
trimmed sections adjacent to the calibration decks in a condi-
1l
tioning atmosphere that will result in an average moisture
content of? ± 0.5 %. Using either a conductance or dielectricR
type meter (calibrated per Test Methods D 4444), monitor
moisture content until the desired level is reached. Subject the
trimmed sections only to the secondary oven-drying method
(MethodB) in Test Methods D 4442 for the final determination
of moisture content.

Contact ASTM International (www.astm.org) for tbe latest information.
• E84-01
APPENDIXES
(Nonmandatory Information)
Xl. GUIDE TO MOUNTING METHODS
Xl.! Introduction
X1.1.1 Discussion:
X1.1.l.l This guide has been compiled as an aid in selecting
a method for mounting various building materials in the fire
test chamber. These mountings are suggested for test method
uniformity and convenience; they are not meant to imply
restriction in the specific details of field installation.
X1.1.1.2 For some building materials none of the methods
described may be applicable. In such cases, other means of
support may have to be devised.
X1.1.1.3 These suggested mounting methods are grouped
according to building materials to be tested whicb are broadly
described either by usage or by form of the material.
X1.1.2 Support Pieces:
X1.1.2.1 Whenever inorganic reinforced cement board is
specified as a backing in this appendix, the material shall be
nominal ';." (6.3 mm) thick, higb density (110 ± 5 Ib/ft') and
uncoated.
X1.1.2.2 Whenever metal rods or bars are specified in this
appendix as supports they should be:
Steel rods, 14 in. (6.3 mm) diameter
Steel bars, ¥ia by 2 In. (5 by 51 mm)
(a) The rods or bars should span the width of the tunnel.
Rods should be placed approximately 2 in. (51 mm) from eacb
end of each panel and at approxinlately 2-ft (0.6-m) intervals
starting with the fire end of each panel.
(b) Bars are used instead ofrods ouly when they are required
to support the sample. The bars should be placed approxi-
mately 2 in. (51 rum) from eacb end of eacb panel and at
approxinlately 2-ft (0.6-m) intervals starting with the fire end
of each panel.
X1.1.2.3 Whenever netting is specified as a support in this
appendix, the material shall be 20-gage, 2-in. (51-mm) hex-
agonal galvanized steel netting conforming to Specification
A 390.
Xl.1.3 Joints:
Xl.1.3.1 Products that are normally installed adjoining
themselves longitudinally are evaluated under this paragraph.
(a) Mounting methods should be considered for building
products that normally incorporate joint details either in design
Nom
Woo
-,-
12"
<1m
.....L-
turring S.triPS:~
/
- -
1t--4'·2"~1.21m ~
or installation. A nonhomogenous product containing underly-
ing core (Note Xl.l) material that may adversely aJfect the test
results should be tested with a joint. This joint should be
located longitudinally between the burners.
NOTE X1.1-Core is defined as: a central and often foundational pru.t
usually distinct from the enveloping part by a difference in nature
(Webster's Nelli Collegiate Dictionary).
(b) The surface burning behavior shouldbe detOlmined using
the manufacturer's recommended joint detail.
(c)Jf a joint detail is not recommended by the manufacturer,
the product shouldbe tested both with a separation oPA, ± ,,
in. (4.2± 1.5 mm) and with the edges in direct contact.
Xl.2 Acoustical and Other Similar Panel Products Less
Tban 20 in. (508 mm)
X12.1 For acoustical materials and other sinrilar panel
products whose maximum dimension is less than 20 in. (508
mm), metal splines or wood fwring strips and metal fasteners
shall be used.
X1.2.2 Steel tee splines for mounting kerfed-acoustical tile
shall be nominal 'h-in. (13-rum) web by 'I.-in. (19-rum) flange,
formed No. 24 MS gage sheet metal.
X1.2.3 Wood furring frames for mounting acoustical mate-
rials and other sinrilarpanel products less than 20 in. (508 mm)
shall be nominal I by 2-in. (20 by 41-rum) wood furring joined
with com-.gated-metal fasteners. Use two frames as shown in
Fig. XLI.
X1.3 Adhesives
X1.3.l To determine the surface bmuing cbaracteristics of
adhesives, they shall be mixed as specified in the manufactur-
er's instructions and shall be applied to inorganic reinforced
cement board in the thickness or at the coverage rate recom-
mended bythe manufacturer. The adhesive application shall be
cured prior to testing.
Xl.4 Batt or Blanket-Type Insulating Materials
XI.4.! Batt or blanket materials that do not have sufficient
rigidity or strength to support themselves shall be supported by
metal rods inserted through the material and positioned such
,;•.
!
O.5m
1.-1
12'-'-'12."-- 3.U m
1_",..-,.21mj
2 Requ·ired
FIG. X1.1 Wood Frame for Acoustical Materials and Other Similar Panel Products Less Than 20 in. (508 mm)
12
• E84-01
APPENDIXES
(Nonmandatory Information)
Xl. GUIDE TO MOUNTING METHODS
Xl.! Introduction
X1.1.1 Discussion:
X1.1.l.l This guide has been compiled as an aid in selecting
a method for mounting various building materials in the fire
test chamber. These mountings are suggested for test method
uniformity and convenience; they are not meant to imply
restriction in the specific details of field installation.
X1.1.1.2 For some building materials none of the methods
described may be applicable. In such cases, other means of
support may have to be devised.
X1.1.1.3 These suggested mounting methods are grouped
according to building materials to be tested whicb are broadly
described either by usage or by form of the material.
X1.1.2 Support Pieces:
X1.1.2.1 Whenever inorganic reinforced cement board is
specified as a backing in this appendix, the material shall be
nominal ';." (6.3 mm) thick, higb density (110 ± 5 Ib/ft') and
uncoated.
X1.1.2.2 Whenever metal rods or bars are specified in this
appendix as supports they should be:
Steel rods, 14 in, (6,3 mm) diameter
Steel bars, ¥ia by 2 In, (5 by 51 mm)
(a) The rods or bars should span the width of the tunnel.
Rods should be placed approximately 2 in. (51 mm) from eacb
end of each panel and at approxinlately 2-ft (0.6-m) intervals
starting with the fire end of each panel.
(b) Bars are used instead ofrods ouly when they are required
to support the sample. The bars should be placed approxi-
mately 2 in. (51 rum) from eacb end of eacb panel and at
approxinlately 2-ft (0.6-m) intervals starting with the fire end
of each panel.
X1.1.2.3 Whenever netting is specified as a support in this
appendix, the material shall be 20-gage, 2-in. (51-mm) hex-
agonal galvanized steel netting conforming to Specification
A 390.
X1.1.3 Joints:
X1.1.3.1 Products that are normally installed adjoining
themselves longitudinally are evaluated under this paragraph.
(a) Mounting methods should be considered for building
products that normally incorporate joint details either in design
or installation. A nonhomogenous product containing underly-
ing core (Note X1.1) material that may adversely affect the test
results should be tested with a joint. This joint should be
located longitudinally between the burners.
NOTE X1.1-Col'e is defined as: a central and often foundational P81t
usually distinct from the enveloping part by a difference in nature
(Webster's Nelli Collegiote Dictionary).
(b) The surface burning behavior shouldbe detelmined using
the manufacturer's recommended joint detail.
(c)If a joint detail is not recommended by the manufacturer,
the product shouldbe tested both with a separation oPJ, ± ,,
in. (4.2± 1.5 mm) and with the edges in direct contact.
Xl.2 Acoustical and Other Similar Panel Products Less
Than 20 in. (508 mm)
X12.1 For acoustical materials and other sinrilar panel
products whose maximum dimension is less than 20 in. (508
mm), metal splines or wood fwring strips and metal fasteners
shall be used.
X1.2.2 Steel tee splines for mounting kerfed-acoustical tile
shall be nominal 'h-in. (13-rum) web by 'I.-in. (19-rum) flange,
formed No. 24 MS gage sheet metal.
X1.2.3 Wood furring frames for mounting acoustical mate-
rials and other sinrilarpanel products less than 20 in. (508 mm)
shall be nominal I by 2-in. (20 by 41-rum) wood finringjoined
with com-.gated-metal fasteners. Use two frames as shown in
Fig. XLI.
X1.3 Adhesives
X1.3.1 To determine the surface bmuing cbaracteristics of
adhesives, they shall be mixed as specified in the manufactur-
er's instructions and shall be applied to inorganic reinforced
cement board in the thickness or at the coverage rate recom-
mended bythe manufacturer. The adhesive application shall be
cured prior to testing.
Xl.4 Batt or Blanket-Type Insulating Materials
XI.4.! Batt or blaoket materials that do not have sufficient
rigidity or strength to support themselves shall be supported by
metal rods inserted through the material and positioned such
ina r T'. 2"{2.0._ 4.1 em)Nom
Woo d fUrring s.trrps~
~corrl.lgated fasteners all jOints
,;.
- - !
O.5m
!t--4'·2"~1.21m ~ 1_",,,-,.21mj
12"i-'t2."~- 3.U m
2 Requ'ired
FIG. X1.1 Wood Frame for Acoustical Materials and Other Similar Panel Products Less Than 20 in. (508 mm)
12

Contact AS'I'lVI International (www.astm.org) for the latest information.
• ES4-01
that the bottom of the rod is approximately l4 in. (6.3 mm)
from the surface to be exposed to the flame. It is recommended
that batt or blaoket materials less than 1 in. (25.4 mm) thick noi
be mounted fur testing in this marmer.
Xl.5 Coating Materials, Cementitious Mixtures, and
Sprayed Fibers
X1.5.1 Coating materials, cementitious mixtures. and
sprayed fibers sball be mixed and applied to the substrate as
specified in the manufacturer's instructions at the thickness,
coverage rate, or density recommended by the manufacturer.
X1.5.2 Materials intended for application to wood surfaces
shall be applied to a substrate made of nominal 2%2 in.
(IS-mm) select grade, red oak flooring which is also used as
the calibration material. Test decks placed eod to end shall be
used. Construct and condition in accordance with Annex Al
and Annex A2.
Xl.5.3 Materials inteoded for application to particular com-
bustible surfaces shall be applied to the specific surfaces for
which they are intended.
X1.5.4 Materials inteoded for only field application to
noncombustible surfaces shall be applied to V4-in. (6.3-mm)
inorganic reinforced cement board.
Xl.5.5 Since the nature of the substrate may significantly
affect the performance of the fire retardant coating, an indicaR
tion of the performance of a fire retardant coating can be
detennined by comparing the surface flammability of the
coated substrate with that of the uncoated, specific substrate.
Xl.6 Loose-Fill Insulation
Xl.6.1 Loose-fill insulation sball be placed on galvanized-
steel screening!3 with approximate 3/64-in. (1.2-mm) openings
supported on a test frame 20 in. (50S mm) wide by 2 in. (51
mm) deep, made from 2 by 3 by 'flO-in. (51 by 76 by 5-mm)
steel angles. Three frames are required. See Fig. Xl.2. The
insulation sball be packed to the deosity specified by the
manufacturer.
Xl.7 Plastics
Xl.7.1 The term plastics includes foams, reinforced panels,
laminates, grids, and transparent or translucent sheets.
13 The use ofgalvanized steel screening nonnallylowers the flame spread index
values obtained for somematerials that are testedinthis manner and, therefore, the
Iesults do not necessarily relate directly to values obtahted for other materials
mounted without galvanized steel screening.
Xl.7.2 When any plastic will remain in position in the
tunnel doring a TIre test, no additional support will be required.
Thermoplastic and other plastics that will not remain in place
are to be supported in accordance with Xl. 1.2.2 and Xl.l.2.3.
Xl.S Thin Membranes
Xl.S.l Single-layer membranes or thin laminates consistiog
ofa limited number ofsimilar or dissimilar layers not intended
for adherence to another surface may be supported on poultry
netting placed on steel rods in accordance with Xl.l.2.2 and
Xl.l.2.3. Netting sball be 20-gage, 2-in. (51-mm) hexagonal
galvanized steel poultry netting couforming to Specification
A 390. If so tested, the specimen sball be additionally tested,
bonded to a substrate representative of a field installation.
Xl.9 Wall Coverings
X1.9.1 Whenever an adhesive is used to attach a wall
covering, adhesive specified by the manufacturer shall be used
in the test in a manner consistent with field practice.
Xl.9.2 Mount wall coverings inteoded for application di-
rectly to a noncombustible wall surface to 1/4 in. (6.3 mm)
inorganic-reinforced cement board.
Xl.9.3 Mount wall coverings intended to be applied over
gypsum wallboard to 'Is in. (15.9 mm) Type X gypsum
wallboard complying with specification Specification C 36.
There is no need to mount the gypsum wallboard on studs.
Xl.9.4 Mount wall coverings intended for application over
a combustible substrate to one representative ofthat substrate.
X1.9.5 Mount wall coverings not intended to be adhered
directly to a wall surface, but hung or otherwise supported by
framing or a track system, in a manner that is representative of
their installation. Where this is not practical, support the
sample onnetting piacedon metalrods as provided in Xl. 1.2.2
and Xl.1.2.3.
Xl.iO Mounting Method for Heavy Textile Materials
Xl.l0.1 When the surilice burning characteristics of the
material itself are required, specimens shall be mounted on
inorganic reinforced cement board with high temperature
bonding mortar. In the event the specimen cannot be adhered
using high temperature bonding mortar, a two-part epoxy
adhesive has been found to be a suitable alternative. The
application shall be determined by a 'h2-in. (2.4-mm) notched
trowel held at an SO to 900
angle using a random pattem. The
adhesive sball be applied only to the specimen back. The
specimen shall then be placed on the smooth side of the
tli" Steel AngleS
l
I" 191;." ,... SI I B 51 7;! It 2 It 1&
" "5.1 x O.~ em 3.8 ~ ~9.5 It 0.5 em
I20"
D.5m
L
. _.
Screening
i
1+--(:'l~{-1.2'm~I<--'··I'I'" 1.2Im :1
8:'3 1/2" 2.51 m
~I'" (I.6om)
--.I~,.!i.1om)
3 ReqUired
FIG. X1.2 Steel Frame for Loose Fill Materials
13
Contact AS'I'lVI International (www.astm.org) for the latest information.
• ES4-01
that the bottom of the rod is approximately l4 in. (6.3 mm)
from the surface to be exposed to the flame. It is recommended
that batt or blaoket materials less than 1 in. (25.4 mm) thick noi
be mounted fur testing in this marmer.
Xl.5 Coating Materials, Cementitious Mixtures, and
Sprayed Fibers
X1.5.1 Coating materials, cementitious mixtures. and
sprayed fibers sball be mixed and applied to the substrate as
specified in the manufacturer's instructions at the thickness,
coverage rate, or density recommended by the manufacturer.
X1.5.2 Materials intended for application to wood surfaces
shall be applied to a substrate made of nominal 2%2 in.
(IS-mm) select grade, red oak flooring which is also used as
the calibration material. Test decks placed eod to end shall be
used. Construct and condition in accordance with Annex Al
and Annex A2.
Xl.5.3 Materials inteoded for application to particular com-
bustible surfaces shall be applied to the specific surfaces for
which they are intended.
X1.5.4 Materials inteoded for only field application to
noncombustible surfaces shall be applied to V4-in. (6.3-mm)
inorganic reinforced cement board.
Xl.5.5 Since the nature of the substrate may significantly
affect the performance of the fire retardant coating, an indicaR
tion of the performance of a fire retardant coating can be
detennined by comparing the surface flammability of the
coated substrate with that of the uncoated, specific substrate.
Xl.6 Loose-Fill Insulation
Xl.6.1 Loose-fill insulation sball be placed on galvanized-
steel screening!3 with approximate 3/64-in. (1.2-mm) openings
supported on a test frame 20 in. (50S mm) wide by 2 in. (51
mm) deep, made from 2 by 3 by 'flO-in. (51 by 76 by 5-mm)
steel angles. Three frames are required. See Fig. Xl.2. The
insulation sball be packed to the deosity specified by the
manufacturer.
Xl.7 Plastics
Xl.7.1 The term plastics includes foams, reinforced panels,
laminates, grids, and transparent or translucent sheets.
13 The use ofgalvanized steel screening nonnallylowers the flame spread index
values obtained for somematerials that are testedinthis manner and, therefore, the
Iesults do not necessarily relate directly to values obtahted for other materials
mounted without galvanized steel screening.
Xl.7.2 When any plastic will remain in position in the
tunnel doring a TIre test, no additional support will be required.
Thermoplastic and other plastics that will not remain in place
are to be supported in accordance with Xl. 1.2.2 and Xl.l.2.3.
Xl.S Thin Membranes
Xl.S.l Single-layer membranes or thin laminates consistiog
ofa limited number ofsimilar or dissimilar layers not intended
for adherence to another surface may be supported on poultry
netting placed on steel rods in accordance with Xl.l.2.2 and
Xl.l.2.3. Netting sball be 20-gage, 2-in. (51-mm) hexagonal
galvanized steel poultry netting couforming to Specification
A 390. If so tested, the specimen sball be additionally tested,
bonded to a substrate representative of a field installation.
Xl.9 Wall Coverings
X1.9.1 Whenever an adhesive is used to attach a wall
covering, adhesive specified by the manufacturer shall be used
in the test in a manner consistent with field practice.
Xl.9.2 Mount wall coverings inteoded for application di-
rectly to a noncombustible wall surface to 1/4 in. (6.3 mm)
inorganic-reinforced cement board.
Xl.9.3 Mount wall coverings intended to be applied over
gypsum wallboard to 'Is in. (15.9 mm) Type X gypsum
wallboard complying with specification Specification C 36.
There is no need to mount the gypsum wallboard on studs.
Xl.9.4 Mount wall coverings intended for application over
a combustible substrate to one representative ofthat substrate.
X1.9.5 Mount wall coverings not intended to be adhered
directly to a wall surface, but hung or otherwise supported by
framing or a track system, in a manner that is representative of
their installation. Where this is not practical, support the
sample onnetting piacedon metalrods as provided in Xl. 1.2.2
and Xl.1.2.3.
Xl.iO Mounting Method for Heavy Textile Materials
Xl.l0.1 When the surilice burning characteristics of the
material itself are required, specimens shall be mounted on
inorganic reinforced cement board with high temperature
bonding mortar. In the event the specimen cannot be adhered
using high temperature bonding mortar, a two-part epoxy
adhesive has been found to be a suitable alternative. The
application shall be determined by a 'h2-in. (2.4-mm) notched
trowel held at an SO to 900
angle using a random pattem. The
adhesive sball be applied only to the specimen back. The
specimen shall then be placed on the smooth side of the
lI. 3/l1i" Steel AngleS
l
I" 1" J"
17;!lI. 19'2l1. YI& Steel Bars
J.6 K 5.1 x O.~ em 3.8 ~ ~9.5 lI. 0.5 em
I20"
D.5m
L
_.
i
) S,,""og
1+--(:'l~{-1.2'm~I<--'··I'I'" 1.2Im :1
8:'3 1'2" 2.51 m
~I'" (I.6om)
--.I~,.!i.1om)
3 ReqUired
FIG. X1.2 Steel Frame for Loose Fill Materials
13

Astm.e84.2001

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