China Aluminum Roofing Sheet (Corrugated Aluminium Sheet) Manufacturers, Factories

Aluminum roofing sheet is a high-performance roofing material manufactured by rolling pure aluminum or aluminum alloys into thin, flat sheets, followed by optional surface treatments (such as coating, anodizing, or embossing such as Corrugated Aluminium Sheet). It combines aluminum's inherent advantages—light weight, exceptional corrosion resistance, and excellent formability—with roofing-specific properties like weather resistance, UV protection, and aesthetic versatility. Widely used in residential, commercial, industrial, and agricultural buildings, aluminum roofing sheets have become a mainstream choice for modern roofing due to their long service life and low maintenance requirements.

Product Description

Key Specifications (Table)

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 Size: 1000mm × 2000mm, 1220mm × 2440mm, 1250mm × 3000mm 1060, 3003, 5052 Batch construction of residential and commercial buildings Size deviation ≤ ±5mm, flat surface without waves
Custom Size: 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

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Frequently Asked Questions

How do I choose the right thickness for aluminum roofing sheets?
Choosing the correct thickness depends on your structural needs. Thin sheets (0.2mm - 0.5mm) are perfect for temporary structures or awnings. Medium sheets (0.5mm - 0.8mm) suit standard residential and commercial roofs, while thick sheets (0.8mm - 1.2mm) are best for high-wind coastal areas and large industrial workshops.
Which aluminum alloy is recommended for severe weather and coastal regions?
The 5xxx series alloys (such as 5052 and 5083) are highly recommended. Containing magnesium, these alloys provide superior corrosion resistance against saltwater and harsh chemicals, along with higher tensile strength compared to 1xxx and 3xxx series.
What is the difference between PVDF and Polyester (PE) coatings?
PVDF coatings offer superior weather and UV resistance (lasting over 20 years) and are ideal for coastal or highly industrial environments. Polyester (PE) coatings are more cost-effective, providing 10+ years of weather resistance, making them ideal for standard inland commercial and residential roofs.
Can I order custom sizes for my construction project?
Yes, custom sizing is available. While standard dimensions include 1000mm × 2000mm and 1220mm × 2440mm, you can request custom widths between 500-1500mm and lengths extending up to 6000mm to match unique architectural specifications.
What are the quality control expectations for standard aluminum roofing sheets?
High-quality manufacturing ensures a flat surface without waves, no pinholes, and thickness deviations kept below ±0.02mm to ±0.04mm (depending on the gauge). In additionally, structural sheets undergo tensile strength (≥ 150MPa) and elongation (≥ 5%) testing.

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