Everbilt 36 in. x 48 in. x 1/4 in. XPS Foam Waterproof Back Board for Tile Floors (5-Pack)

The 36 in. x 48 in. x 1/4 in. waterproof tile floor backer boards are used as a tile underlayment that works with all kitchen floors, bathroom floors, and other large wet floor areas in your home. All our backer boards are manufactured with a waterproof proprietary blend of synthetic polymer mortar and an alkali resistant fiber mesh that provides a rigid structure with exceptional bonding capabilities to tile. This tile floor backer board is thin and ultra lightweight, yet has high bond strength and heavy-duty tile floor board is easy to install and easy to handle, allowing you to tile directly onto the backer board. These waterproof boards are easily cut down without any mess left behind and are fastened to the substrate with the Everbilt screws and washers.