ASTM-D3909 › Standard Specification for Asphalt Roll Roofing (Glass Felt) Surfaced With Mineral Granules
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This specification covers asphalt-impregnated and coated glass felt roll roofing surfaced on the weather side with mineral granules, for use as a cap sheet in the construction of built-up roofs. The glass felt shall be a thin porous sheet composed predominately of fine glass fibers uniformly deposited in a nonwoven pattern. It shall contain a water-insoluble agent and may be reinforced with random, or parallel oriented glass yarns, or both, which may be gathered or twisted, bonded or unbonded. The products shall meet physical property requirements as to pliability, mass loss and behavior on heating, moisture, and dimensions (width, mass, and area).
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1.1 This specification covers asphalt-impregnated and coated glass felt roll roofing surfaced on the weather side with mineral granules, for use as a cap sheet in the construction of built-up roofs.
1.2 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard.
asphalt roll roofing; glass felt; mineral granules; ICS Number Code 91.100.50 (Binders. Sealing materials)
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Aug. 1, 2014