The Custom Building Products WonderBoard Lite 5 ft. x 3 ft. x 1/4 in. Backer Board provides a stable surface for installing tile or stone and protects against moisture. Ideal for both interior and exterior substrate applications. Protects against excessive moisture in wet areas such as showers, saunas and steam rooms.
California residents
New formula - same durable performance with faster, easier installation
Creates a smooth, level, stable surface for installing tile or stone on walls, floors or countertops
3 ft. x 5 ft. coverage area
Composed of stable Portland cement, aggregates and reinforcement
Protects against excessive moisture in wet areas such as showers, saunas and steam rooms