Tanzite Stonedecks » , established in Alberta, Canada, crafts premium stone decking that is scratch-resistant, fire-proof, fade-proof, and stain-proof. Designed and tested in Canada’s tough weather conditions, Tanzite decks can be installed on the same framing as composite decks, making them perfect for decks, stairs, ramps, rooftops, and patios. Serving customers across Canada and the U.S., Tanzite offers two signature collections — Appalachian and Rainier — each built with durable materials for lasting beauty and effortless maintenance.