... easy install low price...... Zinc Roofing Sheet, Low Price and High Quality Key Specifications/Special Features:Hot-dipped galvanizedStandards: GB ... .Widths: 665, 660, 790, 800, 810, 875, 850, 890 and 914mmZinc coating: 80 to 275g/m²Lengths: 1,000 to ... 6,000mmSpangle: minimized spangle, zero spangle, regular spangle and big spangleSurface treatments: passivated (chromated), oiled or HDG anti- ...