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Isover 100mm CWS 36 Cavity Insulation
Isover CWS 36 is a medium density glass mineral wool slab supplied in 100mm thickness with a total pack area of 6.55m2. The strong, resilient and flexible batts are 455mm wide to fit between standard wall tie spacing. Isover CWS 36 provides thermal performance in external masonry cavity walls to meet Approved Document L (England and Wales).