1.1 This specification covers coal-tar-saturated organic felt that may be used with coal-tar pitches conforming to the appropriate requirements of Specification D 450 in the construction of built-up roofs and in the membrane system of waterproofing.
ASTM
Standard Specification for Coal-Tar-Saturated Organic Felt Used in Roofing and Waterproofing
STD-50797
2003
2003-12-01
2