• 05/30121961 DC : DRAFT JUL 2005

    BS 4841-3 - RIGID POLYURETHANE (PUR) AND POLYISOCYANURATE (PIR) PRODUCTS FOR BUILDING AND END-USE APPLICATIONS - PART 3: SPECIFICATION FOR LAMINATED INSULATION BOARDS (ROOFBOARDS) WITH AUTO-ADHESIVELY BONDED FACINGS FOR USE AS ROOFBOARD THERMAL INSULATION FOR BUILT-UP ROOFS UNDER BITUMENISED ROOFING MEMBRANES

    British Standards Institution

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