PROVA BOARD® PLUS is a lightweight, high density tile backer board that is quick and easy to install over wood stud framing or existing drywall. The 100% waterproof XPS (extruded polystyrene) is resistant to vapor pressure and does not support mold growth.

• Use to build walls, countertops, showers and tub surrounds
• Install with PROVA FASTENERS® and PROVA-SEAL™ to guarantee a watertight installation