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
Use to build walls, countertops, showers, and tub surrounds
Non-deteriorating/non-rotting
Highly durable & flame retardant
Install with Prova Fasteners and Prova-Seal to guarantee a watertight installation
36" x 60" x 1/2"