Approved Industries was founded on the belief that chimney safety is not an option—it is a necessity. The company’s dedicated team has trained countless chimney and venting professionals across the US and Canada. Through science and modern technology, Approved family of chimney repair ceramic products. Thermocrete® is a sprayed ceramic chimney liner, Smoktite® is a sprayed ceramic smoke chamber repair coating, Evercrown® is a premium sealant formulated to protect and restore masonry chimney crowns with minor damage, and Raintite® protects your masonry structures from water damage. We bring ongoing innovation to the chimney repair and venting industry!