Stereo View Roof Tile Product Specifications Feeding Width - 550mm Effective Cover Width - 430mm Rib Height - 38mm Tensile Strength - G550 (Hi-Ten) and G 350 (Soft) Coating Class - AZ 150 Recommended Total Coated Thickness - 0.47mm, 0.40mm and 0.35mm Recommended Fasteners Steel Frames - 12 x 55/12 x 65mm delta coated screws Timber Frames - 12 x 68 delta coated screws