How to Install Schluter KERDI-BOARD in a Bathroom Part 1 Step-by-Step - YouTube. In showers the standard substrate is tile backer also called cement board or cement backer board. Cheap Backsplash Ideas Painting Tileboard Mobile Home Living Tileboard Bathroom Wall Coverings Black And White Tiles Ad China Bathroom Tile Companies Supplier High Quality Competitive Price. Tile board for showers . Cement board is the most durable trouble-free tile backer for tub surrounds showers floors and all other wet areas. Tile Backer Board creates the perfect substrate to tile onto in wet rooms and bathrooms. It can also be used for exterior tiling jobs. In showers the standard substrate is tile backer also called cement board or cement backer board. The most obvious benefit of any shower tile backer board is to provide a secure bonding surface for your tile. Often sold in kit form they are a waterproof panelling system which is an alternative to more traditional tiles. USG Durock...