Rigid polyisocyanurate (PIR) and polyurethane (PUR) products for building end-use applications. Specification for laminated boards with auto-adhesively bonded facings for use as thermal insulation for internal wall linings and ceilings|Polyurethane, Laminates, Dimensions, Thermal insulating materials, Internal, Thermoplastic polymers, Compressive strength, Thermal conductivity, Ceilings, Boards, Flammability, Ceiling linings, Installation, Cyanurates, Thermal insulation, Fire safety in buildings, Wallboard, Construction materials, Polymers, Dimensional changes, Foamed plastics, Wall linings