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Product Spotlights
High strength G550 galvanized steel base
Light weight, easy & fast installation
Anti-hail, anti-snow, all weather durability
No water pooling, good waterproof performance
Multiple profiles & customized length
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Product Introduction
Hot dipped galvanized corrugated sheet, also known as GI corrugated roofing sheet, is made of high-quality cold rolled steel coil with full hot-dip galvanized anti-rust treatment. After precise roll forming into trapezoidal corrugated shape, it becomes lightweight building cladding material widely used for roof and wall of industrial plants, warehouses, farm sheds, prefabricated houses and temporary fences.Our factory adopts strict production standards from raw material slitting, galvanizing to corrugated molding. Uniform zinc coating, stable mechanical performance and neat wave shape ensure long service life in humid, coastal and industrial corrosive environments. Custom thickness, width, length and zinc coating weight are all supported to match different project demands.
Technical Specifications
| Item | Details |
|---|---|
| Base Material | Q195, Q235B, G550 high tensile galvanized steel |
| Executive Standard | GB/T2518, ASTM A653, EN10346 |
| Zinc Coating Weight | Z80, Z100, Z120, Z150, Z200, Z275 g/m² |
| Thickness | 0.3mm–1.5mm customizable |
| Popular Profile | 840 type, 900 type, 1000 type trapezoidal wave |
| Effective Width | 840mm / 900mm / 1000mm |
| Length | 1–12m customized as client’s requirement |
| Surface | Regular spangle / bright smooth zinc surface |
| Yield Strength | 140–550MPa |
| Salt Spray Resistance | 240–800 hours based on zinc layer |
Core Advantages
Excellent Anti-corrosion PerformanceFull hot-dip galvanized layer covers inside and outside the steel sheet. High zinc weight provides strong anti-rust and anti-salt spray capacity, suitable for coastal, rainy and industrial areas, effectively avoid rust damage for decades.
Light Weight & High Structural StrengthTrapezoidal corrugated design greatly improves bending resistance. Lighter than concrete tile and clay tile, reduces load of steel purlins, saves overall steel cost for construction projects. Hard enough to resist heavy snow and hail without deformation.
Smooth Water Drainage & Waterproof DesignHigh trapezoidal wave height accelerates rainwater runoff, no water accumulation on roof. Standard overlapping design matches self-drilling screws to achieve stable waterproof effect, greatly lower leakage risk.
Easy & Fast InstallationLight single piece for easy manual carrying. Direct fixed by self-drilling screws without complicated auxiliary materials, shorten construction period and cut labor cost obviously.
All-Weather Weather ResistanceStable performance under high temperature, cold, strong sunlight and heavy rain, no cracking, peeling or aging. No regular paint maintenance required after installation.
Fireproof & Recyclable100% steel material, non-combustible to meet construction fire safety standards. Waste sheets can be fully recycled, eco-friendly without construction waste pollution.
Complete Customization & Stable SupplyMultiple thickness, zinc layer and profiles in stock. Support OEM customized length, small trial order acceptable, fast delivery within 7–15 days.
Wide Application Scenarios
Industrial factory roof & wall cladding
Warehouse, storage workshop metal roofing panel
Farm shed, livestock barn, agricultural greenhouse
Prefabricated house, temporary container house
Construction site temporary isolation fence
Carport, garage, small outdoor awning
Packing & Shipping
Inner packing: Waterproof plastic film to prevent moisture and scratch
Outer packing: Export standard solid wooden pallet, fixed with steel strips
Loading port: Qingdao, Tianjin, Shanghai or other designated ports
Delivery time: 7–15 days upon receiving deposit
MOQ: 1 ton, accept mixed specifications for trial order
Send Inquiry to This Supplier
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