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.
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.
| ASTM International | |
|---|---|
| Product Category | Standards and Technical Documents |
| Product Number | ASTM D227-97a |
| Product Name | Standard Specification for Coal-Tar-Saturated Organic Felt Used in Roofing and Waterproofing |