SUPERSEDED (see Active link, below)
Active (view current version of standard)
1.1 This specification covers asphalt impregnated and coated glass fiber base sheet, with or without perforations, for use as the first ply of the built-up roofing. When not perforated, this sheet is suitable for use as a vapor retarder, with a solid mopping of asphaltic material, under roof insulation or between multiple layers of roof insulation.
1.2 The values stated in SI units are to be regarded as the standard. The values in parentheses are for information only.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
D146 Test Methods for Sampling and Testing Bitumen-Saturated Felts and Woven Fabrics for Roofing and Waterproofing
D228 Test Methods for Sampling, Testing, and Analysis of Asphalt Roll Roofing, Cap Sheets, and Shingles Used in Roofing and Waterproofing
D1079 Terminology Relating to Roofing, Waterproofing, and Bituminous Materials
ICS Number Code 91.100.50 (Binders. Sealing materials)
UNSPSC Code 30121601(Asphalt); 30151500(Roofing materials)