Through the responsible development of innovative and sustainable building products, CertainTeed, headquartered in Malvern, Pennsylvania, has helped shape the building products industry for more than 110 years. Founded in 1904 as General Roofing Manufacturing Company, the firm’s slogan “Quality Made Certain, Satisfaction Guaranteed,” inspired the name CertainTeed. Today, CertainTeed is a leading North American brand of exterior and interior building products, including roofing, siding, solar, fence, decking, railing, trim, insulation, drywall and ceilings.

A subsidiary of Saint-Gobain, one of the world’s largest and oldest building products companies, CertainTeed has more than 6,900 employees and more than 60 manufacturing facilities throughout the United States and Canada. The group had total sales of approximately $4.1 billion in 2019.