Owens Corning develops, manufactures, and markets insulation, roofing, and fiberglass composites. Global in scope and human in scale, the company’s market-renowned businesses use their deep expertise in materials, manufacturing and building science to develop products and systems that save energy and improve comfort in commercial and residential buildings.

At Therma-Tru, they have been revolutionizing the industry from the start—a spirit one can continue to expect from the entry door brand most preferred by building professionals.