Commercial Exterior Technologies, LLC**. is a Texas-based company dedicated to assisting building owners, maintenance personnel, and contractors maintain and install roofs quickly and efficiently while keeping a high standard of quality. CET provides a variety of roofing supplies from several top manufacturers for low-slope/flat roofs at competitive prices.. Commercial Exterior Technologies,LLC. specializes in modified bitumen roof systems,reflective energy coatings,roofing accessories,and maintenance items to go along with it. We take pride in our work and what we sell,and that’s why we sell quality products at affordable prices. Commercial Exterior Technologies’ mission is to provide the highest level of support and job quality while meeting the stringent demands of every job we deal with. CET strives for the development of strategic business alliances that lead to highly beneficial synergies within the roofing,maintenance,and general construction industry.