Landmark is a brand of architectural roofing shingle designed for residential and commercial applications. The Landmark brand is part of CertainTeed, which is a subsidiary of Saint-Gobain. Saint-Gobain which had sales of approximately $45 billion in 2016.
CertainTeed was founded as the General Roofing Manufacturing Company in 1904, with the name changed to CertainTeed in 1917. CertainTeed continued to grow as a manufacturer of asphalt shingles, and in 1976 Saint-Gobain acquired controlling interest of the company. Today CertainTeed and its affiliates employ over 5,700 people, with more than 60 manufacturing facilities throughout North America.
Landmark shingles are available in three levels of weight and thickness, with a wide variety of colors. The Landmark line includes Landmark, with dual layer durability at 235 lbs. per square; Landmark Pro, featuring dual layer high performance at 250 lbs. per square; and Landmark Premium, featuring two-piece laminated fiberglass-based construction and 300 lbs. per square.
Landmark shingles are covered by a limited lifetime warranty against manufacturer’s defects. They are also covered by a 15-year StreakFighter algae resistance warranty and a 15-year 110 mph wind resistance warranty.