751 E. Swedesford Rd.
Valley Forge, PA 19482






Through the responsible development of innovative and sustainable building products, CertainTeed has helped shape the building products industry for more than 110 years. Founded in 1904 as General Roofing Manufacturing Company, today, CertainTeed® is North America’s leading brand of exterior and interior building products, including roofing, siding, fence, decking, railing, trim, insulation, gypsum and ceilings. 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.

Product Offering

Exterior Products

  • Residential Roofing
  • Commercial Roofing
  • Solar
  • Siding
  • Trim
  • Decking
  • Railing
  • Fence
  • Sheathing

Interior Products

  • Building Insulation
  • Technical Insulation
  • Insulation Equipment
  • Drywall
  • Corners
  • Finishing

Architectural Solutions

  • Ceiling & Walls
  • Metal
  • Wood
  • Decoustics
  • Felt
  • Fiberglass & Techstyle
  • Mineral Fiber
  • Gypsum Ceilings
  • Suspension Systems

Warranty Information

Installation Resources

Additional Resources