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ASTM International - ASTM D4990-97a

Standard Specification for Coal Tar Glass Felt Used in Roofing and Waterproofing

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Organization: ASTM International
Publication Date: 10 July 1997
Status: inactive
Page Count: 2
ICS Code (Binders. Sealing materials): 91.100.50
scope:

1.1 This specification covers glass felt impregnated with coal tar to be used with coal tar pitch conforming to the appropriate requirements of Specification D 450 in construction of built-up roofs and in the construction waterproofing systems.

1.2 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are for information only.

1.3 The following safety hazards caveat pertains only to the test methods portion, Section 8, of this specification: 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.

Document History

May 1, 2020
Standard Specification for Coal-Tar Glass Felt Used in Roofing and Waterproofing
1.1 This specification covers glass felt impregnated with coal-tar intended to be used with coal-tar pitch conforming to the appropriate requirements of Specification D450/D450M in construction of...
May 15, 2013
Standard Specification for Coal Tar Glass Felt Used in Roofing and Waterproofing
1.1 This specification covers glass felt impregnated with coal tar intended to be used with coal tar pitch conforming to the appropriate requirements of Specification D450 in construction of built-up...
March 1, 2005
Standard Specification for Coal Tar Glass Felt Used in Roofing and Waterproofing
1.1 This specification covers glass felt impregnated with coal tar intended to be used with coal tar pitch conforming to the appropriate requirements of Specification D 450 in construction of...
ASTM D4990-97a
July 10, 1997
Standard Specification for Coal Tar Glass Felt Used in Roofing and Waterproofing
1.1 This specification covers glass felt impregnated with coal tar to be used with coal tar pitch conforming to the appropriate requirements of Specification D 450 in construction of built-up roofs...
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