BSI - BS 1521
Specification for Waterproof Building Papers
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Organization: | BSI |
Publication Date: | 19 May 1972 |
Status: | active |
Page Count: | 10 |
ICS Code (Other construction materials): | 91.100.99 |
scope:
Quality, workmanship, dimensions, performance. Class A for prevention of draughts or ingress of water into wall or pitched roof structures, Class B for temporary purposes such as protection of concrete during curing.
Document History

BS 1521
May 19, 1972
Specification for Waterproof Building Papers
Quality, workmanship, dimensions, performance. Class A for prevention of draughts or ingress of water into wall or pitched roof structures, Class B for temporary purposes such as protection of...