It's the Nature of Our Science

About Us - 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 sprayed ceramic products—Thermocrete®, Smoktite, and Dynacote—have brought innovation to the chimney repair and venting industry.

Our Products About Us

Our Products
About Us

Line and protect with sprayed ceramic technology.

Retrofit chimneys for conversion to natural gas with our patented ceramic flue liner, Thermocrete®. Installation is cost effective and, unlike traditional lining methods, requires no major construction.

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Is it time to bring Natural Gas
to your building?

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