Fiberock AquaSmart Tile 0.42 In. x 3 Ft. W x 5 Ft. L Square Edge Underlayment (Minimum 60)

USG Fiberock AquaSmart Tile Backerboard panels are a unique, fiber-reinforced gypsum product that features a homogenous waterproof composition, engineered to deliver superior durability and performance in wet areas. Easy to cut and install, these panels are ideal for use under tile or stone. Unlike traditional waterproof tilebackers, Fiberock AquaSmart Tile Backerboard features an integrated, proprietary waterproof technology through its core, enhancing performance for waterproof installations with less total material cost. These panels have no paper face to delaminate, tear or scratch, ensuring the product maintains its integrity for the life of the installation.