ASTM-D4601:1998 Edition
$35.75
D4601-98 Standard Specification for Asphalt-Coated Glass Fiber Base Sheet Used in Roofing
Published By | Publication Date | Number of Pages |
ASTM | 1998 | 2 |
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 may be used as a vapor retarder under or between roof insulation with solid top coating of asphaltic material.
1.2 The values stated in inch-pound units are to be regarded as the standard.