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.

• The XPS core is sandwiched between tightly woven mesh & layers of cementitious coating
• For installation on walls, countertops & benches
• Great for tub surrounds and walk-in-showers
• Great support for large format tiles
• Non-deteriorating/non-rotting
• Highly durable & flame retardant
• Install with PROVA FASTENERS® and PROVA-SEAL™ to guarantee a watertight installation