Through the responsible development of innovative and sustainable building products, CertainTeed, headquartered in Valley Forge, Pa., has helped shape the building products industry for more than 100 years. Founded in 1904 as General Roofing Manufacturing Company, the firm's slogan "Quality Made Certain, Satisfaction Guaranteed," quickly inspired the name CertainTeed. Today, CertainTeed® is North America's leading brand of exterior and interior building products.

A subsidiary of Saint-Gobain, the world's largest building products company, CertainTeed and its affiliates have more than 5,700 employees and more than 60 manufacturing facilities throughout the United States and Canada. For five consecutive years, the company has received top honors from the U.S. Environmental Protection Agency for its contributions in protecting the environment.

Visit CertainTeed Roofing at www.ceratinteed.com/products/roofing