Historical

ASTM D4601-04

Standard Specification for Asphalt-Coated Glass Fiber Base Sheet Used in Roofing

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.

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ASTM International [astm]

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