Customized processing, arbitrary cutting Large stock, factory direct supply
Galvanized Roof sheet is suitable for roof, wall and internal and external wall decoration of industrial and civil buildings,warehouses,special buildings and long-span steel structure houses. It has the characteristics of light weight, high strength, rich color,convenient and fast construction, earthquake resistance, fire prevention, rain proof, long service life and maintenance free.Because of its good plasticity, it can better meet the requirements of various architectural shapes, but compared with the performance of service life, beautiful Chengdu and durability, color steel corrugated board is better.
We also prioritize customization. We understand that each client has unique requirements and preferences when it comes to their galvanized roofing sheets. That’s why we offer a wide range of customizable options, including thickness, width, length, and color. Our team works closely with each client to develop personalized solutions that meet their specific needs.
Material:Galvanized steel coils
Thickness:0.12mm-0.8mm
Length:1m-11.8m
Hardness: 60 HRB to 90 HRB
Zinc coating: 40g/m2 to 275g/m2
Special use:High strength steel plate
Weight Varies By Profile
Our factory boasts impressive production capabilities. We have a large-scale facility featuring modern production lines and advanced processing equipment, enabling us to deliver high-volume production while maintaining stringent quality standards. From the procurement of top-quality raw materials to meticulous monitoring of the production process, we prioritize quality control to ensure that every galvanized roofing sheet meets international standards and aligns with customer specifications.
Quality is paramount at our factory, and we adhere strictly to international standards and quality management systems. Rigorous quality inspections and controls are implemented at each stage of production, guaranteeing that our galvanized roofing sheets exhibit exceptional durability, corrosion resistance, and precise coating adhesion. Our products undergo comprehensive testing and validation to meet diverse application requirements across construction, architecture, and other industries.
Commercial
Industrial
A galvanized roofing sheet is a roofing material manufactured from steel coated with a protective zinc layer through a hot-dip galvanizing process. The zinc coating acts as a sacrificial barrier that protects the steel substrate from rust and corrosion.
The galvanized layer significantly extends the service life of the roofing sheet, making it suitable for various environmental conditions, including humid, rainy, and industrial regions.
Compared with ordinary steel sheets, galvanized roofing sheets offer:
Because of these advantages, galvanized roofing sheets are widely used in industrial, commercial, agricultural, and infrastructure projects worldwide.
| Item | Specification |
|---|---|
| Product Name | Galvanized Roofing Sheet |
| Material | Hot-Dip Galvanized Steel |
| Steel Grade | DX51D, DX52D, SGCC, G550 |
| Thickness | 0.12mm – 1.2mm |
| Width Before Corrugation | 600mm – 1250mm |
| Effective Width | Depends on Profile |
| Length | Customized |
| Zinc Coating | Z30-Z275 |
| Surface Finish | Regular Spangle, Minimized Spangle, Zero Spangle |
| Yield Strength | 230-550 MPa |
| Tensile Strength | 270-700 MPa |
| Standard | ASTM, JIS, EN |
| Application | Roofing & Wall Cladding |
Roofglory offers various profile designs to meet different market preferences.
Traditional wave-shaped roofing sheets suitable for residential and agricultural buildings.
High-strength profile widely used in industrial and commercial structures.
Aesthetic roofing solution that combines traditional appearance with steel durability.
Custom molds and profile designs can be developed according to project requirements.
| Steel Grade | Yield Strength | Recommended Application |
|---|---|---|
| DX51D | 230-280 MPa | Residential Roofing, Agricultural Buildings |
| DX52D | 260-320 MPa | Commercial Roofing Projects |
| SGCC | 270-350 MPa | Industrial Buildings and Warehouses |
| G350 | 350 MPa | Commercial and Industrial Structures |
| G550 | 550 MPa | Large-Span Buildings, High Wind Load Areas |
The hot-dip galvanized coating creates a protective barrier that prevents moisture and oxygen from reaching the steel substrate.
This significantly reduces the risk of rust and extends the service life of the roofing system.
Our galvanized roofing sheets maintain the inherent strength of steel while providing additional protection against environmental exposure.
Benefits include:
Depending on coating thickness and environmental conditions, galvanized roofing sheets can provide:
| Zinc Coating | Estimated Service Life |
|---|---|
| Z80 | 10-15 Years |
| Z120 | 15-20 Years |
| Z180 | 20-25 Years |
| Z275 | 25-35 Years |
| Environment | Recommended Zinc Coating | Expected Service Life |
|---|---|---|
| Rural Areas | Z80 – Z120 | 10-15 Years |
| Urban Areas | Z120 – Z180 | 15-25 Years |
| Industrial Areas | Z180 – Z275 | 20-30 Years |
| Coastal Areas | Z275 | 25-35 Years |
| Tropical & High Humidity Regions | Z275 | 25-35 Years |
Compared with aluminum roofing and other premium roofing materials, galvanized roofing sheets offer an excellent balance between price and performance.
Advantages include:
Galvanized roofing sheets are lightweight and easy to transport, handle, and install.
This helps reduce:
Many buyers ask whether galvanized roofing sheets or galvalume roofing sheets are better for their projects.
The answer depends on environmental conditions, budget, and expected service life.
| Feature | Galvanized Roofing Sheet | Galvalume Roofing Sheet |
|---|---|---|
| Coating | Zinc | 55% Aluminum + Zinc |
| Corrosion Resistance | Good | Excellent |
| Heat Reflectivity | Moderate | High |
| Service Life | 15-30 Years | 20-40 Years |
| Cost | Lower | Higher |
| Maintenance | Low | Very Low |
| Industrial Use | Excellent | Excellent |
| Coastal Use | Good | Better |
For most general construction projects, galvanized roofing sheets provide excellent value and performance.
Both galvanized roofing sheets and color roofing sheets are widely used in construction projects.
| Feature | Galvanized Roofing Sheet | Color Roofing Sheet (PPGI) |
|---|---|---|
| Base Material | Galvanized Steel | Galvanized Steel with Paint Coating |
| Corrosion Resistance | Good | Excellent |
| Appearance | Metallic Finish | Multiple Color Options |
| UV Resistance | Moderate | Excellent |
| Maintenance | Low | Very Low |
| Service Life | 15-30 Years | 20-40 Years |
| Cost | Lower | Higher |
| Best For | Budget-Conscious Projects | Premium Residential & Commercial Buildings |
Galvanized roofing sheets are generally preferred when project budgets are the primary consideration, while color roofing sheets offer enhanced aesthetics and additional corrosion protection.
Industrial projects require durable roofing systems capable of withstanding harsh conditions.
Common applications include:
Large-span warehouse structures often rely on galvanized roofing sheets because of their:
Agricultural applications include:
Galvanized roofing sheets are frequently used in:
Many homeowners and developers select galvanized roofing systems for:
Despite the emergence of newer roofing materials, galvanized roofing sheets continue to dominate many markets.
The reasons include:
Galvanized roofing sheets have been successfully used for decades.
They remain one of the most economical roofing solutions available.
Steel and zinc are widely available, ensuring stable supply chains.
Suitable for nearly every type of building.
Periodic inspections are generally sufficient to maintain performance.
Roofglory operates advanced production facilities equipped with modern processing equipment.
Our factory includes:
| Item | Capacity |
|---|---|
| Annual Production Capacity | 300,000+ Tons |
| Monthly Capacity | 25,000+ Tons |
| Daily Output | 800+ Tons |
| Export Countries | 100+ |
| OEM Projects | Supported |
We support:
Quality is a critical concern for B2B buyers.
Roofglory implements strict quality control throughout the production process.
Every steel coil undergoes:
During manufacturing we perform:
Before shipment:
Available upon request:
Roofglory uses export-grade packaging designed to protect products during international transportation.
Packaging includes:
| Thickness | 20GP | 40HQ |
|---|---|---|
| 0.3mm Roofing Sheet | Approx. 25 Tons | Approx. 27 Tons |
| 0.5mm Roofing Sheet | Approx. 25 Tons | Approx. 27 Tons |
| Order Type | Lead Time |
|---|---|
| Samples | 3-7 Days |
| Standard Orders | 15-20 Days |
| Customized Orders | 20-30 Days |
China has become the world’s largest steel manufacturing center.
For international buyers, sourcing galvanized roofing sheets from China offers significant advantages.
China benefits from:
These factors reduce overall production costs.
Chinese manufacturers have direct access to major steel mills, ensuring:
Leading manufacturers like Roofglory invest heavily in:
Roofglory has extensive experience serving clients in:
Years of experience in steel roofing production and export.
Every batch is tested before shipment.
OEM and ODM services available.
Efficient production planning and export logistics.
Factory-direct supply without unnecessary intermediaries.
Serving contractors, distributors, wholesalers, and project developers worldwide.
They are the same product. GI stands for Galvanized Iron or Galvanized Steel.
We offer Z30, Z60, Z80, Z120, Z180, and Z275.
0.3mm, 0.4mm, 0.45mm, and 0.5mm are among the most commonly exported thicknesses.
Depending on coating thickness and environmental conditions, service life can range from 10 to 35 years.
Yes. Roofing sheets can be cut according to customer requirements.
Yes. We support private labels, custom packaging, and customized specifications.
MOQ depends on thickness, profile, and customization requirements.
Yes. SGS, BV, Intertek, and other inspection agencies are available upon request.
Our products are exported to more than 100 countries worldwide.
Simply provide:
Our sales team will provide a detailed quotation within 24 hours.
We are committed to fostering enduring partnerships with our clients. Recognizing the unique needs of each customer, we offer customized solutions tailored to their specific requirements. With a focus on flexibility in order processing and punctual delivery, we are dedicated to ensuring customer satisfaction and establishing long-term collaborations built on trust and reliability.
Thank you for your interest in our factory. Should you have any inquiries or require further information regarding our galvanized roofing sheets or related services, please feel free to reach out to us. We eagerly anticipate the opportunity to collaborate with you and contribute to your success.
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