Standard Specification for Class A Asphalt Shingles Surfaced with Mineral Granules
|Publication Date:||1 January 1990|
1.1 This specification covers granule-surfaced asphalt roofing shingles that meet the conditions for Class A fire test exposures specified in Test Methods E 108.
1.2 Shingles meeting this specification are intended to be applied with a headlap of not less than 2 in. (51 mm).
1.3 The values stated in acceptable metric units are to be regarded as the standard. The values given in parentheses are provided for information purposes only.