Rigid polyurethane (PUR) and polyisocyanurate (PIR) foam for building applications. Specification for two types of laminated board (roofboards) with auto-adhesively bonded reinforcing facings for use as roofboard thermal insulation for built-up roofs.
NORMA vydaná dňa 30.9.1987
Designation standards: BS 4841-3:1987
Note: NEPLATNÁ
Publication date standards: 30.9.1987
The number of pages: 16
Approximate weight : 48 g (0.11 lbs)
Country: British technical standard
Kategória: Technické normy BS