USG Sheetrock Durock 4 ft. W X 8 ft. L X 1/2 in. Cement Board

USG Durock Brand Cement Board with EdgeGuard is the industry standard for performance and reliability. It offers a strong, water-durable tile backerboard for floors, walls, countertops, tub, shower areas and exterior finish systems. USG Durock Brand Cement Board with EdgeGuard cuts easily and installs quickly and its enhanced proprietary edge performance prevents spinout and crumbling. It is readily applied over wood or steel framing spaced 16 in. on center with corrosion-resistant wood, steel screws or hot-dipped galvanized roofing nails. After joints are treated, wall or floor tile is applied using latex-fortified mortar or Type I organic adhesive.