Fiberock 0.42 In. x 3 Ft. x 5 Ft. Tile Backerboard

USG Fiberock Brand Tile Backberboard is a fiber-reinforced gypsum product that includes a water-resistant core for supreme durability and superior performance in wet and dry environments. Unlike traditional water-resistant gypsum board, it is made of a uniquely uniform composition, which creates a strong, mold-resistant product that holds tough when wet. USG Fiberock Brand Tile Backerboard panels have no paper face to delaminate, tear, or scratch, ensuring the product maintains its integrity. Easy to cut and install, these backerboard panels are ideal for use under tile, vinyl, or paint.