Industrial Roofing Sheet Manufacturer China
Corrugated roofing sheets are produced with coated steel for construction and industrial roofing systems.
Metal Roofing Sheet Types
Our roofing sheet series includes galvanized, aluzinc and prepainted options designed for residential, commercial and industrial applications. Featuring high strength, corrosion resistance and easy installation, our products support diverse roofing requirements.
Witop provides customized thickness, profile types and flexible MOQ to meet project-based and bulk procurement needs. With reliable export packaging and responsive service, we help distributors and contractors secure stable long-term supply.
Why Choose Witop Roofing Sheets for Construction Projects
Witop roofing sheets are manufactured with galvanized, aluzinc or prepainted steel substrates to ensure strong structural performance and reliable corrosion resistance. Designed for residential, commercial and industrial buildings, our products provide stable quality, precise profiling and long service life in demanding environments. We support customized thickness, length and coating options to meet regional market requirements. With flexible MOQ, fast quotation response and professional export packaging, Witop helps distributors and contractors reduce supply risk and maintain stable project schedules.
Roofing Sheet Applications
Roofing sheets are widely used in residential, commercial and industrial buildings requiring durable, weather-resistant and cost-effective roofing solutions.
Corrugated roofing sheets are ideal for warehouses, factories and agricultural buildings due to their strength and easy installation.
Metal roofing sheets are applied in prefabricated structures, steel buildings and infrastructure projects needing reliable corrosion protection.
Color coated roofing sheets are used for residential housing and commercial projects where aesthetics and durability are important.
Roofing Sheet Advantages
Manufactured with galvanized, aluzinc or prepainted steel to ensure high load-bearing capacity.
Zinc or Al-Zn coating protects against rust in humid and coastal environments.
Corrugated and trapezoidal designs available to meet different construction standards.
Lightweight structure reduces labor time and improves project efficiency.
Flexible thickness, length and coating options to match regional market requirements.
Bulk production, fast quotation and export-ready packaging for distributors and contractors
Metal Sheet Coating Layer Structure
Surface Treatment Type
| Item Name | Feature |
| Galvanized Coating | Excellent corrosion resistance, zinc protection layer, cost-effective base anti-rust solution, widely used in roofing and structural applications |
| Aluzinc / Galvalume / Zincalume Coating | Superior corrosion resistance (2โ6ร GI), heat resistance, long service life, smooth metallic surface, ideal for roofing and outdoor environments |
| Prepainted Galvanized Coating | Good formability, decorative color finish, moderate corrosion resistance, suitable for general roofing and building panels |
| Prepainted Galvalume Coating | High durability + strong corrosion resistance, excellent paint adhesion, better performance in humid and coastal climates |
| Prepainted Aluminum Coating | Lightweight, excellent corrosion resistance, strong weather resistance, premium appearance, suitable for high-end architectural use |
| Color Stone Aluzinc Coating | Stone-chip decorative finish, ultra-long lifespan, high UV & weather resistance, strong wind and impact resistance, premium roofing solution |
Roofing Sheet Working Flow
Specification
| Parameter | Specification |
| Thickness | 0.12โ0.8 mm |
| Width | 665โ1050 mm (after forming) |
| Base Material | GI / GL / PPGI /PPGL |
| Zinc Coating | Z30โZ275 |
| AZ Coating | AZ30โAZ150 |
| Paint System | PE / SMP / PVDF |
| Length | Customized |
| Application | Residential / Industrial / Commercial |
Packing Details
Standard export package: 3 layers of packing, inner side is anti-water craft paper, PVC plastic film is the middle and outer side covered by at least 0.45mm thick steel sheet,wrapped by minimum seven steel strapping strips with lock catch.
Roofing Sheet FAQ
Roofing sheets are typically manufactured from galvanized steel (GI), aluzinc steel (GL) or prepainted steel (PPGI/PPGL). The choice depends on project environment, corrosion resistance requirements and budget.
Common profiles include corrugated, trapezoidal and tile-shaped designs. Profile selection depends on structural requirements and regional market preferences.
Thickness and coating options vary based on application and climate conditions. Standard specifications are listed below.
