Rigid polyurethane (PUR) and polyisocyanurate (PIR) products for building end-use applications. Specification for laminated insulation boards (roofboards) with auto-adhesively or separately bonded facings for use as roofboard thermal insulation under non-bituminous single-ply roofing membranes.
STANDARD published on 20.7.2006
Designation standards: BS 4841-4:2006
Note: WITHDRAWN
Publication date standards: 20.7.2006
The number of pages: 18
Approximate weight : 54 g (0.12 lbs)
Country: British technical standard
Category: Technical standards BS