100mm Superglass Superwall 32 Cavity Wall Insulation Slab - 3.28/Pack

This British Board of Agrément (BBA) approved, flexible insulation slab is non-combustible, water repellent and just 100mm thick. At 455mm wide it's ideal for use between vertical wall ties and minimal on-site cutting/waste is required. Pack size 3.28m2, brand Superglass, made from glass mineral wool. A1 Thermal Fire Rating (BS EN 13501-1) and thermal conductivity of 0.032 W/mK.