Premium Galvanized Galvalume Corrugated Steel Roofing Sheet
Ultra-durable 55% aluminum-zinc alloy coating (AZ150) for superior corrosion resistance, outperforming standard galvanized sheets. Precision-rolled 0.3mm–0.7mm steel core with high-tensile strength (G550), engineered for extreme weather (snow load: 1.4kN/m², wind resistance: 150km/h). Unique sinusoidal wave pattern (pitch: 76mm, height: 18mm) enhances structural rigidity and drainage efficiency, ideal for industrial warehouses, agricultural sheds, and residential roofing. Reflective PVDF/polyester finish (25μm) reduces heat absorption by 30%, available in 12 color options (RAL codes) for architectural harmony. Global bulk-order ready – wholesale pricing starts at $1.82/m² (MOQ 20 tons), cut-to-size service with precision laser edging (±0.5mm tolerance). Certified compliant with ASTM A792/A755 and EN 10143 standards, includes matching screws/trim kits. Ships flat-packed (max. 12m lengths) with anti-scratch film protection.