CertainTeed

Since 1904 CertainTeed has helped shape the building products industry. Founded as the General Roofing Manufacturing Company, it has evolved into North America’s leading brand of exterior and interior building products. A subsidiary of Saint-Gobain, one of the world’s largest and oldest building products companies, CertainTeed and its affiliates have more than 6,300 employees and more than 60 manufacturing facilities throughout the United States and Canada.