ASTM D224-89(1996)

1.1 This specification covers asphalt roofing in sheet form, composed of organic roofing felt, saturated with asphalt and coated on both sides with an asphaltic compound which may or may not contain mineral stabilizer, and surfaced with powdered talc, mica, or other fine mineral matter to prevent sticking.

1.2 This standard may involve hazardous materials, operations, and equipment. This standard does not purport to address all of the safety problems 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.>