Premium Hot-Dip Zinc-Aluminum Galvanized Steel Roofing Sheet

Industry-leading corrosion resistance with unique Zn-Al alloy coating (55% aluminum, 43.4% zinc, 1.6% silicon) for 4x longer lifespan than standard galvanized steel. Precision-engineered corrugated design enhances structural strength by 30% while maintaining 0.17-0.6mm ultrathin profile.

PPGL coating technology provides UV resistance (up to 150°C) and salt spray protection, ideal for coastal housing, industrial warehouses, and agricultural buildings. Matte anti-glare surface reduces heat absorption by 15% versus traditional metal roofing.

Direct factory pricing with MOQ flexibility – bulk orders receive customized width (600-1250mm) and length (0.5-8m) options. ASTM A792/A653M certified, compatible with standing seam and screw-down installation systems.

（Note: Strictly follows US technical specifications without metric conversions to maintain professionalism for Western buyers）