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| Property | Parameter | Description |
|---|---|---|
| Product Name | Roof and Wall Enclosure Steel | Structural steel panels and profiles for roof and wall cladding systems |
| Material Grade | Q235B / Q345B / S280GD / S350GD | High-strength galvanized or color-coated steel for enclosure applications |
| Thickness Range | 0.3 mm – 1.5 mm | Single-layer or composite panel thickness depending on application |
| Width Range | 600 mm – 1250 mm | Effective coverage width after installation overlap |
| Length Range | 2000 mm – 12000 mm | Custom lengths available per project requirement |
| Zinc Coating Weight | 60 – 275 g/m² | Hot-dip galvanized coating for corrosion resistance (Z60–Z275) |
| Paint Coating Thickness | 15 – 25 μm (top) / 5 – 10 μm (back) | Polyester (PE) or PVDF coating for color-coated enclosure panels |
| Tensile Strength | 280 – 550 MPa | Meets structural load-bearing requirements for roofing and walling |
| Yield Strength | 250 – 420 MPa | Ensures panel rigidity under wind and snow loads |
| Thermal Insulation (U-value) | 0.25 – 0.45 W/(m²·K) | Applicable for sandwich panel configurations with insulation core |
| Fire Resistance Rating | Class A / Class B1 | Non-combustible or flame-retardant options available |
| Surface Treatment | Galvanized / Aluzinc / Color-coated | Multiple surface finishes for aesthetic and protective purposes |
| Profile Type | Corrugated / Trapezoidal / Standing Seam | Various rib profiles to suit different structural and design needs |
| Applicable Temperature | -40°C – +120°C | Suitable for extreme climate environments |
| Application | Industrial plants, warehouses, commercial buildings, cold storage | Widely used in roof and wall enclosure systems across construction sectors |
| Certification | ISO 9001 / CE / GB/T 12754 / ASTM A792 | Quality and safety certifications for international markets |
| MOQ | 5 tons | Minimum order quantity per specification or color |
| Supply Capacity | 5000 tons/month | Stable production capacity to meet large-scale project demands |
Initial colour inconsistency resolved promptly – now satisfied
Ordered 8,000 m² of 0.5 mm pre-painted corrugated sheets (polyester, RAL 7035) for a warehouse extension in Manchester. On delivery, approximately 600 m² from one coil batch showed a visible colour variance against the rest of the order – noticeable under direct daylight. Raised the issue with the account team immediately. They acknowledged the batch deviation, arranged a replacement shipment within 12 working days, and covered the return freight cost. Replacement panels matched perfectly. The after-sales resolution was handled professionally. Willing to order again given how the problem was managed.
Ordered 8,000 m² of 0.5 mm pre-painted corrugated sheets (polyester, RAL 7035) for a warehouse extension in Manchester. On delivery, approximately 600 m² from one coil batch showed a visible colour variance against the rest of the order – noticeable under direct daylight. Raised the issue with the account team immediately. They acknowledged the batch deviation, arranged a replacement shipment within 12 working days, and covered the return freight cost. Replacement panels matched perfectly. The after-sales resolution was handled professionally. Willing to order again given how the problem was managed.
