CertainTeed XT Three-Tab Shingles American Shingles Product type Three-tab roof shingles Model CertainTeed XT Three-Tab Shingles Dimensions 305x915mm nominal Weight 10.99kg/m² Number per m² 8.61/m² Applications Roofing Certifications Meets ASTM D3462 & ASTM 3018 Type 1, Complies with BCA 3.5.1 Colour Autumn Brown, Slate Grey, Moire Black, Weathered Wood, Cedar Brown, Burnt Sienna Traditional XT Three-tab shingles offer protection, durability and extreme staying power. American Shingles