Custom Building Products WonderBoard Lite 1/4 in. x 3 ft. x 5 ft. 5 ft. Backer Board

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.|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