BS 4841-4:2006

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

134 GBP