Gboar RockShield is a noncombustible, waterproof, and mold resistant gypsum board wrapped by glass mat sheathing on the long edges, and front and back faces providing additional reinforcement and protection against weathering. Gboard�® Rockshield is used as a substrate to exterior cladding material such as marble, tiles, brick veneer, clapboard, wood shingles and more. It can withstand heavy wind, rain, and high temperatures. Advantages A gypsum board most suitable for outdoor applications Can withstand weather changes only if properly sheathed A thermally balanced with low water absorption Surface Finishing Multiple finishing options: Painted (Water or oil bas paint) Wallpaper, vinyl,wood Joint fillingWith Gcoat All Purpose Joint Compound Edge Types Squared edge Tapered Edge Standards ASTM C1396 ASTM C473 ASTM C518 ASTM C1178 Dimensions Width: 1200mm, 1220mm Length: 2000mm, 2400mm, 2440mm, 2500mm, 3000mm Thickness: 9.5mm, 12.5mm, 15.9mm, 18mm