This 75mm Rainscreen Duo Slab is ideal for both ventilated and sealed cladding systems and offers excellent protection against rain thanks to its tough outer surface and factory applied water-repelling agent. Quantity51.84m2 Total Coverage 51.84m2 per Pack Single Coverage 0.72m2 Thickness75mm Width 600mm Length 1200mm Brand Rockwool UseWall, Roof Material Glass Mineral Wool ProductSlab Facing Mineral Wool Features Acoustic, Non-combustible, Thermal Fire Rating A1 (BS EN 13501-1) Thermal Conductivity 0.035 W/mK