Canyon Stone - Exterior Stone Siding. Our residential, commercial and contractor projects come to us for landscaping supplies, refacing the exterior of your home or business, Interior walls, fireplaces and beautiful stone patios. One of Canada largest supplier of Stone Veneer products, Canyon Stone has become a leader in the building supply industry. From rustic, Quartz Ledge Fireplaces, Smooth Limestone, and Thin Narrow Bricks to country cottage ledge or shadow ridge custom stone panels. Our Natural Exterior and Interior Stone Siding Products are know for their high quality and beauty.