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.

Landmark® PRO

Landmark PRO is engineered to outperform ordinary roofing in every category, keeping you comfortable, your home protected, and your peace-of-mind intact for years to come with a transferable warranty that's a leader in the industry.

  • Classic shades and dimensional appearance of natural wood or slate.
  • Two-piece laminated fiber glass base construction.
  • ASTM D3161 wind resistance.
  • UL Class A Fire Resistance.