Certainteed Landmark TL is a dramitacally thick dimensional asphalt composition shingle. 

Certainteed Landmark TL

    • Three-piece laminated fiber glass construction
    • 305 lbs. per square
    • UL Class A fire resistance rating
    • UL certified to meet ASTM
    • D3462 UL certified to meet ASTM D3018 Type I
    • ASTM D3161, Class F, 110 mph wind resistance
    • Conforms to CSA standard A123.5