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ASTM D4990-97a

Current Revision

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

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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.


SDO ASTM: ASTM International
Document Number D4990
Publication Date July 10, 1997
Language en - English
Page Count 2
Revision Level 97a
Supercedes
Committee D08.04
Publish Date Document Id Type View
July 10, 1997 D4990-97A Revision
May 1, 2020 D4990-97AR20 Reaffirmation
May 15, 2013 D4990-97AR13 Reaffirmation
March 1, 2005 D4990-97AR05E01 Reaffirmation