Products Description
Gauge corrugated steel roofing sheet is the thickness of the metal used. In the United States, manufacturers use gauge to measure the thickness of metal roof panels. The gauge is a number that represents a range of inches, for example, 0.0179 to 0.0217. 22 gauge is the thickest panel, while 29-gauge is the thinnest. Smaller gauge numbers indicate thicker material, which is more durable. However, thickness also increases the cost and labor intensity. For example, 24-gauge metal is about 27.8% thicker than 26-gauge metal. At Legacy Service, we're the company to call whether you need residential metal roofing installation.



Gauge corrugated steel roofing sheet throughout the industry, 24-gauge Galvalume is usually the standard thickness for standing seam metal roof and wall systems. Standing seam refers to a concealed fastener metal panel system with vertical legs and a broad, flat area between the two legs. Standing seam systems have hidden fasteners, whether the panel is attached to the roof deck using a clip or is directly fastened to the deck under the vertical leg utilizing a fastener flange.
Products Specifications
| Thickness | 0.12-0.25mm |
| Width | 600-1250 |
| Length | 1400-1799mm, 1800-2000mm, 2001-3600mm, 3601-3660mm |
| Standard | AISI, ASTM, GB, JIS, EN |
| Material | ASTM/AISI/SGCC/CGCC/TDC51DZM/TDC52DTS350GD/TS550GD/DX51D+Z Q195-q345 |
| Zinc Coating | 30g-275/m2 |
| Application | making pipes, cutting sheets, making small tools, making corrugated sheets, making container, making fences |
| Type | Steel Plate |
Products Advantages
Perhaps the main advantage of steel roof panels have over other roofing materials is longevity. Asphalt shingles are very popular, but just in North America mostly. In Europe and other parts of the world where the houses are hundreds of years old – homeowners are not interested in putting on a roof that they will have to replace in 20 years or less.
But the inventions of Galvalume (not recommended for animal confinement) and galvanized (great for residential) coatings that consist of aluminum and/or zinc, have greatly increased steel's ability to defy rust. On top of that, specially engineered paint systems that allow manufacturers to offer 40-year or even 50-year warranties (often called Lifetime Warranties). Even a paint default does not signal the end of the roof because it can be painted again and again as needed.
Products Details
| Gauge | Thickness (mm) | Best For |
|---|---|---|
| 29G | 0.35mm | Temporary structures |
| 26G | 0.48mm | Residential roofs |
| 24G | 0.60mm | Commercial buildings |
| 22G | 0.70mm | Hurricane-prone areas |
after sales service
Provide product usage guidelines and installation suggestions.
A professional team offers technical support to customers.
In case of quality issues with the product, offer quick replacement or return services.
Provide global logistics tracking to ensure timely delivery of orders.
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Q: What are gauge corrugated steel roofing sheets?
A: These are lightweight, durable roofing panels made from galvanized or galvalume steel, formed with wavy corrugations for strength and water drainage. Measured by gauge thickness (lower gauge = thicker steel).
Q: Why choose corrugated steel over other roofing?
✔ 30-50% lighter than concrete/tiles
✔ 100% waterproof with proper installation
✔ 50+ year lifespan with proper coating
Q: Do you offer painted options?
A: Yes - PE, PVDF, or SMP coatings available in 100+ RAL colors.
Q: How much overlap is needed?
A: Minimum 150mm for roofs <15° pitch; 100mm for steeper roofs.
Q: What accessories are needed?
Screws: Self-drilling with EPDM washers (we include 10 free samples)
Flashings: Ridge/valley caps available
Clips: For thermal expansion control
cooperative enterprise
We have exported to these countries and so on
Philippine
Vietnam
Indonesia
Algeria
Brazil
Chili
Mozambique
Togo
Ghana
Burkina Faso
South Africa
Uruguay
Our Service Processes
Phone/wechat/whatspp: 0086-15822491526
Pre-sales Consultancy
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Confirmation of order
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Production
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Multi-Channel Shipping
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Confirmation of recei
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After-sale Services
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