Foundry Stacked Stone siding by The Tapco Group is premium vinyl siding featuring rugged texture cast from hand-selected North Carolina quarried stone. It also has an enhanced coloring process that delivers vibrant tonal differences and a textured grout line. The ceramic microsphere finishing process provides believable color without any telltale sheen. Metallic hints give a sense of depth and mineral makeup. It delivers 40 ft. of coverage without repeat.