This Lightning Ridge by Tritan BP faux stone siding will transform your interior or exterior space with it's 3D stacked stone look. Designers, architects, builders and DIYers will enjoy the simple installation of these 48 in. by 24 in. stone panels with built-in tongue and groove technology. They're crafted of high-density polyurethane with authentic color blends and transitions to look like real stone, and each panel covers 7.30 sq. ft. Color: Nature Spirit.