USG Durock™ Brand UltraLight Foam Tile Backerboard combines traditional backerboard and waterproofing into one step, saving you time and labor, offering superior performance that is built to last. USG Durock™ Brand UltraLight Foam Tile Backerboard offers contractors and designers a strong, lightweight, waterproof and vapor-retardant tile base for wet areas and is ideal for use with USG Durock™ Brand Shower System components. This product is idea to complete the Durock Shower System, the boa …