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1.1 This specification covers asphalt-saturated and coated organic felt base sheet with fine mineral surfacing on the top side, with or without perforations, for use as the first ply of a built-up roof. When not perforated this sheet may be used as a vapor retarder under roof insulation.

1.2 The values stated in inch-pound units are to be regarded as the standard.

Product Details

Published:
08/01/2004
Number of Pages:
3
File Size:
1 file , 26 KB
Redline File Size:
2 files , 47 KB