【国外标准】 Standard Specification for Asphalt Shingles (Organic Felt) Surfaced With Mineral Granules (Withdrawn 2012)

This specification covers asphalt roofing in shingle form, composed of single or multiple thicknesses of organic felt saturated and coated on both sides with asphalt and surfaced on the weather side with mineral granules. Materials shall meet specified dimensional and physical property requirements such as mass, behavior on heating (loss of volatile matter, and sliding of granular surfacing), wind resistance, fire resistance, weight of displaced granules, pliability, and saturant/coating compatibility.1.1 This specification covers asphalt roofing in shingle form, composed of single or multiple thicknesses of organic felt saturated and coated on both sides with asphalt and surfaced on the weather side with mineral granules.1.2 Shingles meeting this specification are intended to be applied with a headlap of not less than 51 mm (2 in.).1.3 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.