click here

BS 4841-4:2006 – 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

Available as PDF document for immediate download, or as printed publication – yes

Number of pages – 18 pages, A4

Manufacturer – BSI

Price – GBP 80

CLICK HERE FOR MORE INFORMATION

Keywords – Polyurethane, Cyanurates, Thermoplastic polymers, Polymers, Laminates, Boards, Construction materials, Thermal insulating materials, Thermal insulation, Roof boarding, Roof linings, Roofs, Sheet roof coverings, Dimensions, Thermal conductivity, Compressive strength, Dimensional changes, Flammability, Fire safety in buildings, Installation, Foamed plastics