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Aluminum roofing sheet specifications are customized based on application scenarios, climate conditions, and structural requirements. The main specifications are shown in the following table:
| Specification Category | Detailed Parameters | Typical Alloys | Typical Applications | Quality Control Requirements |
|---|---|---|---|---|
| Thickness | Thin: 0.2mm – 0.5mm | 1060, 3003 | Residential awnings, small sheds, temporary buildings | Thickness deviation ≤ ±0.02mm, no pinholes |
| Medium: 0.5mm – 0.8mm | 3003, 5052 | Residential roofs, commercial buildings (shops, offices), agricultural greenhouses | Thickness deviation ≤ ±0.03mm, tensile strength ≥ 150MPa | |
| Thick: 0.8mm – 1.2mm | 5052, 5083 | Industrial workshops, large-span buildings, coastal area roofs | Thickness deviation ≤ ±0.04mm, elongation ≥ 5% | |
| Surface Treatment | PVDF Coated | 3003, 5052 | Coastal buildings, high-end commercial buildings, industrial areas | Coating thickness 20–30 μm, weather resistance ≥ 20 years |
| Polyester Coated | 1060, 3003 | Residential roofs, inland commercial buildings | Coating thickness 15–25 μm, weather resistance ≥ 10 years | |
| Anodized / Embossed | 1060, 3003 | Decorative roofs, awnings, cultural buildings | Anodized film thickness 8–15 μm, pattern uniformity | |
| Size (Width × Length) | Standard: 1000×2000mm, 1220×2440mm, 1250×3000mm | 1060, 3003, 5052 | Batch construction of residential and commercial buildings | Size deviation ≤ ±5mm, flat surface without waves |
| Custom: Width 500–1500mm, Length up to 6000mm | 3003, 5052, 5083 | Special-shaped roofs, large-span industrial buildings | No creases, surface scratch depth ≤ 0.01mm | |
| Alloy Types | 1xxx Series (1060, 1100) | 1060 (99.6% Al) | Indoor awnings, temporary buildings, decorative roofs | Good corrosion resistance, low strength |
| 3xxx Series (3003) | 3003 (Al-Mn) | Residential roofs, commercial buildings, agricultural greenhouses | Enhanced strength vs. 1xxx, excellent weldability | |
| 5xxx Series (5052, 5083) | 5052 (Al-Mg), 5083 (Al-Mg-Mn) | Coastal buildings, industrial workshops, high-wind areas | Superior corrosion resistance, high tensile strength |
