CertainTeed, a SAINT-GOBAIN company, is a leading U.S. manufacturer of low slope and steep slope roofing products for commercial, institutional, residential roofing and waterproofing applications. CertainTeed has served the roofing industry for 100 years, establishing a solid reputation for quality, reliability, and technical innovation. CertainTeed offers a broad array of asphalt shingles in various shapes, colors and styles. The most popular are the Designer Shingles that emulate the look of wood, slate and other natural materials. Standard Shingles offer beauty, value and protection.

• First founded in 1904, as General Roofing manufacturing, it is one of the oldest companies manufacturing Shingles in USA.
• In 1917 , every fifth roll of asphalt roofing was manufactured by CertainTeed.
• In 1939 first company to design, market Overlay shingle (Woodtek).
• In 1959, annual sales of US$ 100 million.
• First designed and marketed laminated, super premium shingles.
• Attained #1 product rating in consumer reports ranking for 6 out of 13 product categories.
• In 2003 built the world's largest roofing plant at Shakopee, USA.
• Now shingles are available in India offering architects and designers flexibility in design, wider choice of colour shades and shapes. M/s Grind well Norton Ltd., Bangalore (a Saint-Gobain Company) is marketing CertainTeed roofing and siding products in India.

CertainTeed Roofing shingles are Fiberglass reinforced, high grade, Mineral- stabilized asphalt based mats which are overlaid with high strength ceramic coated granules and underlayed with a mineral stabilizer cum fire-retardant

General pattern is made up of two pieces of shingles which are laminated together to form a thicker product to enhance its aesthetics and dimensional appeal. A more varied blend drop effect and shadow line is usually added to make it more aesthetically pleasing.

• All concrete surfaces shall be overlaid with a minimum of 1” Cement screed
• Surface provided shall be duly rendered to a smooth finish and bone dry.
• A coat of bituminous primer will be applied and left till it touch- dry.
• All junctions (if any) of sloping roof with a vertical wall or valley gutter if any will be lined with one feet wide flashing membrane
• Starter course will be fixed at the bottom of sloping roof surface (Eave edge) before commencing the application of CERTAINTEED shingles.
• CERTAINTEED shingles will then be fastened using approved Corrosion resistant nails, at suitable distance as per manufacturer’s specifications.
• The front part of the shingle shall be stuck to the subsequent shingle using the self-adhesive tape provided at the bottom.
• Ridges will be fixed once the surface coverage is complete

• The Fiber cement Board or wooden deck (Marine–Ply) should be minimum of 16 mm thick (Should not warp in presence of moisture).
• The gaps between Boards to be kept zero and flashed using self-adhesive membrane.
• All junctions if any of sloping roof with a vertical wall or valley gutter if any will be lined with one feet wide flashing membrane
• Starter course will be fixed at the bottom of sloping roof surface (Eave edge) before commencing the application of CERTAINTEED shingles.
• CERTAINTEED shingles will then be fastened using approved Corrosion resistant Screws / Nails
• The front part of the shingle shall be stuck to the subsequent shingle using the self-adhesive tape provided at the bottom.
• Ridges will be fixed once the surface coverage is complete