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ASTM D4637-04

(Specification)

Standard Specification for EPDM Sheet Used In Single-Ply Roof Membrane

Standard Specification for EPDM Sheet Used In Single-Ply Roof Membrane

SCOPE
1.1 This specification covers flexible sheet made from ethylene-propylene-diene terpolymer (EPDM) intended for use in single-ply roofing membranes exposed to the weather. The tests and property limits used to characterize the sheet are values to ensure minimum quality for the intended use. The sheet may be non-reinforced, fabric- or scrim-reinforced, or fabric-backed vulcanized rubber sheet.
1.2 The values stated in SI units are to be regarded as the standard. The values stated in parentheses are for information only.
1.3 In-place roof system design criteria, such as fire resistance, field seaming strength, material compatibility, and uplift resistance, among others, are factors that must be considered but are beyond the scope of this specification.
1.4 This standard may involve hazardous materials, operations, and equipment. This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

General Information

Status
Historical
Publication Date
31-Jul-2004
ICS
83.060 - Rubber
91.100.50 - Binders. Sealing materials
Technical Committee
D08 - Roofing and Waterproofing
Drafting Committee
D08.22 - Waterproofing and Dampproofing Systems
Current Stage
Ref Project

Relations

Replaces
ASTM D4637-03 - Standard Specification for EPDM Sheet Used In Single-Ply Roof Membrane
Effective Date
01-Aug-2004
Replaced By
ASTM D4637-08 - Standard Specification for EPDM Sheet Used In Single-Ply Roof Membrane
Effective Date
01-Feb-2008

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ASTM D4637-04 - Standard Specification for EPDM Sheet Used In Single-Ply Roof MembraneASTM D4637-04 - Standard Specification for EPDM Sheet Used In Single-Ply Roof Membrane
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ASTM D4637-04 - Standard Specification for EPDM Sheet Used In Single-Ply Roof Membrane
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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation: D 4637 – 04
Standard Specification for
1
EPDM Sheet Used In Single-Ply Roof Membrane
This standard is issued under the fixed designation D4637; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision.Anumber in parentheses indicates the year of last reapproval.A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
This standard has been approved for use by agencies of the Department of Defense.
1. Scope D624 Test Method for Tear Strength of Conventional
Vulcanized Rubber and Thermoplastic Elastomers
1.1 This specification covers flexible sheet made from
D751 Test Methods for Coated Fabrics
ethylene-propylene-dieneterpolymer(EPDM)intendedforuse
D816 Test Methods for Rubber Cements
in single-ply roofing membranes exposed to the weather. The
D1149 Test Method for Rubber Deterioration—Surface
tests and property limits used to characterize the sheet are
Ozone Cracking in a Chamber
values to ensure minimum quality for the intended use. The
D1204 Test Method for Linear Dimensional Changes of
sheet may be non-reinforced, fabric- or scrim-reinforced, or
Nonrigid Thermoplastic Sheeting or Film at Elevated
fabric-backed vulcanized rubber sheet.
Temperature
1.2 In-place roof system design criteria, such as fire resis-
D2137 Test Methods for Rubber Property—Brittleness
tance, field seaming strength, material compatibility, and uplift
Point of Flexible Polymers and Coated Fabrics
resistance, among others, are factors that must be considered
D5602 Test Method for Static Puncture Resistance of
but are beyond the scope of this specification.
Roofing Membrane Specimens
1.3 The values stated in SI units are to be regarded as the
D5635 Test Method for Dynamic Puncture Resistance of
standard. The values stated in parentheses are for information
Roofing Membrane Specimens
only.
G151 Practice for Exposing Nonmetallic Materials in Ac-
1.4 This standard may involve hazardous materials, opera-
celerated Test Devices that Use Laboratory Light Sources
tions, and equipment. This standard does not purport to
G155 Practice for Operating Xenon Arc Light Apparatus
address all of the safety concerns, if any, associated with its
for Exposure of Non-Metallic Materials
use. It is the responsibility of the user of this standard to
establish appropriate safety and health practices and deter-
3. Classification
mine the applicability of regulatory limitations prior to use.
3.1 Types describe the sheet construction:
2. Referenced Documents 3.1.1 Type I—Non-reinforced.
2 3.1.2 Type II—Scrim (or fabric) internally reinforced.
2.1 ASTM Standards:
3.1.3 Type III—Fabric backed.
D412 Test Methods for Vulcanized Rubber and Thermo-
plastic Elastomers—Tension
4. Materials and Manufacture
D413 Test Methods for Rubber Property—Adhesion to
4.1 ThesheetshallbeformulatedfromEPDMpolymersand
Flexible Substrate
other compounding ingredients. EPDM shall be the principal
D471 Test Method for Rubber Property—Effect of Liquids
polymerusedinthesheetandshallbegreaterthan95%ofthe
D 518 Test Method for Rubber Deterioration—Surface
total polymer content.
Cracking
4.2 Tomakeseamsandrepairs,thesheetshallbecapableof
D573 Test Method for Rubber—Deterioration in an Air
being bonded watertight to itself and the supplier or fabricator
Oven
shall recommend suitable methods.
1
5. Physical Properties and Tolerances
This specification is under the jurisdiction of ASTM Committee D08 on
RoofingandWaterproofingandisthedirectresponsibilityofSubcommitteeD08.18
5.1 The sheet shall conform to the physical requirements
on Nonbituminous Organic Roof Coverings.
prescribed in Table 1.
Current edition approved Aug. 1, 2004. Published August 2004. Originally
approved in 1987. Last previous edition approved in 2003 as D4637–03. 5.2 The tolerance for time conditions (aging, weathering,
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
and so forth) is 615 min or 61% of the period; whichever is
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
greater, unless otherwise specified.
Standards volume information, refer to the standard’s Document Summary page on
5.3 Tolerances for temperature shall be 62°C (64°F).
the ASTM website.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
1

---------------------- Page: 1 ----------------------
D4637–04
TABLE 1 Physical Requirements for EPDM Sheet
Type I II III
Thickness, min, mm (in.):
Sheet-overall 1.016 (0.040) 1.016 (0.040) .
Coating over scrim or fabric . 0.38 (0.015) 0.76 (0.030)
Breaking strength, min, N (lbf) . 400 (90) 400 (90)
Tensile strength, min, MPa (psi) 9.0 (1305) . .
Dynamic Puncture Resistance, Type I at 5 J, Type II at at 10 J pass pa
...

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1.1 This specification covers flexible sheet made from ethylene-propylene-diene terpolymer (EPDM) intended for use in single-ply roofing membranes exposed to the weather. The tests and property limits used to characterize the sheet are values to ensure minimum quality for the intended use. The sheet may be non-reinforced, fabric- or scrim-reinforced, or fabric-backed vulcanized rubber sheet.  
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5.1 There are differences in opinion among those concerned with sealant technology whether or not this adhesion-in-peel test simulates the type of strain and e-tensile stresses encountered by a sealant in normal use. Nevertheless, this test provides a valuable measurement of the ability of the cured sealant to maintain a bond to the substrate under severe peel conditions.  
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SCOPE
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Note 1: See Specification C920 for type and grade definitions.  
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