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Specification for waterproof building papers.
STANDARD published on 19.5.1972
Designation standards: BS 1521:1972
Publication date standards: 19.5.1972
SKU: NS-59763
The number of pages: 10
Approximate weight : 30 g (0.07 lbs)
Country: British technical standard
Category: Technical standards BS
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. Status: Confirmed
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Latest update: 2026-08-14 (Number of items: 2 293 479)
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