Through the responsible development of innovative and sustainable building products, CertainTeed Canada Inc., headquartered in Mississauga, ON, has helped shape the Canadian building products industry for more than 80 years. Today, CertainTeed is a leading brand of North American interior and exterior building products, including drywall, insulation, ceilings and roofing. For over 80 years, CertainTeed, a subsidiary of Saint-Gobain, has been working closely with our valued customers across Canada to achieve long-term growth and success. With manufacturing plants in every region in Canada, we can ensure a timely, secure supply of sustainable, quality products and superior service for all our customers.