Premium Zinc Galvanized Corrugated Steel Iron Roofing Sheets

Heavy-duty 0.3mm-0.7mm galvanized steel core with triple-layer zinc coating (120-275g/m²) for extreme corrosion resistance. Precision-formed trapezoidal corrugations enhance structural rigidity (wave height 16-41mm) while reducing material fatigue.

UV-resistant polyester paint finish (25μm) available in 12+ standard colors withstands tropical climates (tested -30°C to 120°C). Fireproof Class A1 rating meets international building codes.

Installation-ready with pre-punched nail slots (spacing 400mm) for faster deployment. Ideal for residential roofing, agricultural sheds, warehouse canopies, and industrial partition walls.

Custom-cut lengths (1.8m-12m) with ±2mm tolerance. 15-year anti-rust warranty. ASTM A653/A755 compliant.

Bulk purchase discounts available for contractor-grade quantities. MOQ 1x20GP container (approx. 6,000㎡).