ASTM D4990 REV A: Standard Specification for Coal Tar Glass Felt Used in Roofing and Waterproofing
SDO: ASTM: ASTM International
DOD Adopted ANSI Approved Approved
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 roofs and in the construction waterproofing systems.
The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.
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.
- built-up roofs
- coal tar
- glass felt
Buy this Standard Now
Or if you answer yes to any of these questions:
- Do you purchase more than $3000 in standards per year?
- Do you purchase many different kinds of standards?
- Do you have multiple employees accessing the same standards?
You may save money by purchasing more comprehensive online access.
* Required field