White corrugated galvalume roof sheet is is made from galvalume steel coil as the substrate, processed by roll forming and surface coating treatment. It features light weight, excellent corrosion resistance, waterproof and windproof performance, widely used in roofing and wall projects of various buildings. WanZhi Group operates professional galvalume production lines. Custom services are available for zinc coating weight (AZ30-AZ150g), dimensions, profiles and surface finishes including matte, emboss, glossy, and wrinkled texture, meeting demands of construction, industrial and home appliance manufacturing projects.
Thickness: 0.12-1.2mm
Width: 600mm-1,250mm
Coating Thickness: AZ30-AZ150g/㎡
What Is White Corrugated Galvalume Roof Sheet?
White corrugated galvalume roof sheet is a colored profiled metal panel, also known as Aluzinc or GL corrugated roof sheet. It adopts hot-dip galvalume steel substrate composed of 55% aluminum, 43.5% zinc and 1.5% silicon. Manufactured from GL steel coils through roll forming, stamping and cutting, during which its wave height, pitch and overall size can be adjusted. Featuring superior corrosion resistance and elegant white coating, it is an ideal material for roofing and wall cladding for various buildings.
Specification
| Product Name | White Corrugated Galvalume Roof Sheet |
|---|---|
| Substrate | GL Steel (55%Al+43.5%Zn+1.5%Si) |
| Coating Weight | AZ30 - AZ150 g/m², 40-150μm. |
| Thickness | 0.12mm - 1.2mm |
| Width | 600 - 1,250mm |
| Length | Can be customized as clients' requirement |
| Coatings | PE, SMP, HDP, PDVF |
| Coating Thickness | Top: 11-35μm Back: 5-14μm |
| Surface Treatment | Matt, glossy, wrinkled, emboss, etc. |
| Color | White, can be customized as per RAL Color |
| Tensile Strength | ≥300MPa |
| Yield Strength | ≥205MPa |
| Minimum Order Quantity(MOQ) | 10 tons |
| Package | Standard export packaging, can be customized |
Surface Finish and Process of White Corrugated GL Roof Sheet
WanZhi’s galvalume steel owns mechanical strength and anti-rust property, featuring good toughness, hardness and ductility. Equipped with professional coating and forming lines, products comply with ASTM, ISO, EN, JIS standards. We supply raw materials, finished steel items and customized service for diverse projects.
- Surface Finish:Anti-finger print,coated, lamination, passivation, phosphatization, oiling available.
- Paint Surface: Matt, glossy, wrinkled, emboss, etc.
- Manufacturing Process: Adopt premium hot-dip galvalume steel coil as base material. Go through surface cleaning, continuous roll forming to shape standard corrugated profiles. Conduct accurate cutting, edge finishing and strict quality check to guarantee stable overall quality.
- Deep Processing: Custom punching, slitting, tiling, cutting, stamping, bending and welding on request.
- Paint: PE/SMP/HDP/PVDF coating; top 11-35μm, back 5-14μm thickness.
Advantages of White Corrugated GL Roof Sheet
- Super Corrosion Resistance: Premium galvalume substrate effectively avoids rust, acids, alkalis, salt spray and weather damage.
- Long Service Life: Stable physical performance guarantees decades of reliable usage.
- Design Versatility: Bright white finish pairs seamlessly with standard metal roofing systems; custom colors are available to match project design needs.
- Lightweight High Strength: 1/5 the weight of glass and 1/3 the weight of steel cuts roof structural load requirements, reducing construction time and labor cost.
- Strong Waterproof Performance: Tight fitting structure prevents rain leakage perfectly.
- High Structural Durability: Great toughness withstands strong wind and yellowing, chalking and degradation from extreme temperatures and UV exposure.
- Built-In Thermal Insulation: Corrugated air gaps and low composite thermal conductivity reduce summer heat gain and winter heat loss.
- Low-Maintenance & Easy Installation: Lightweight for simple cutting and fixing with standard tools; corrosion-proof surface requires no painting or frequent cleaning.
- Cost-Effective: Low total lifecycle cost from reduced structural needs and zero maintenance.
Corrugated GL Roof Sheet Applications
- Industrial Buildings: Factory workshops, warehouses and storage facilities
- Commercial Construction: Malls, office buildings and business premises
- Residential Houses: Villa roofs, residential wall cladding
- Agricultural Facilities: Farm barns, breeding houses and greenhouses
- Coastal & Marine Structures: Coastal warehouses, fishing ports and marine facilities
- Prefab Constructions: Temporary houses, modular buildings
- Temporary Constructions: Disaster relief shelters, temporary offices and construction site canopies
- Public Buildings: Sports halls, school gymnasiums and community centers
- Other Projects: Carports, fences and outdoor canopy roofing
White Corrugated GL Roof Sheet Prices
The price of white corrugated galvalume roof sheets is is influenced by factors on substrate cost, coating weight, paint type, dimensions and surface treatment. The price range for galvalume steel is between $600-$1,000 per ton. The minimum order quantity is 10 tons, with delivery lead time ranging from 5 to 45 days. WanZhi Group also supplies cold rolled & hot rolled steel, GI, GL, ZAM, PPGI, PPGL coils and sheets, stainless steel and aluminum products. Kindly send your specifications and required quantity, and we will offer you the most competitive quotation!
Corrugated GI/GL/ZAM Roof Sheet
| Item | GI | GL | ZAM |
| Coating | Pure zinc | Al-Zn alloy | Zn-Al-Mg alloy |
| Heat reflective | Medium | High | Highest |
| Corrosion resistance | Good | Excellent | Superior |
| Service Life | 10-20 years | 15-30 years | 20-40 years |
| Cost | Lowest | Medium-high | Highest |
| Features | General residential/agri projects | Coastal/industrial builds | Severe corrosion/long-life engineering |
Galvalume Roof Sheet Manufacturer and Supplier – WanZhi Group
WanZhi Group is an ISO-certified Chinese manufacturer and supplier of metal roof sheets, with its factory located in Boxing County, Binzhou City, Shandong Province. It adopts strict production management procedures covering substrate cleaning, coating, cooling, curing, rolling and cutting. Equipped with seven production lines, quality inspection rooms and sample exhibition halls, we provide one-stop services including sample provision, scheme design and customized production, with an annual output of 600,000 tons. We not only supplies galvalume steel raw materials, but also finished roof panels and customized services, to fulfill diverse roofing design projects.
WanZhi Factory
- Production Advantages & Capacity: Equipped with sophisticated galvalume production lines and high-precision slitting, leveling, film coating and painting facilities. Each line boasts a monthly output of 10,000 tons to guarantee steady supply. Sufficient stock available, customized goods delivery takes 5-45 days.
- Stable Supply Chain: WanZhi Group supplies diverse metal raw materials and finished products worldwide, covering South America, Africa, the Middle East, Southeast Asia and Europe. Located close to Qingdao and Tianjin Ports, we maintain robust supply chain. Familiar with regional technical standards and customs procedures to ensure smooth order delivery.
- One-stop Service: We offer full-process one-stop supporting services including material selection, technical consultation, customized production and delivery, with 24-hour online support available.
- Certificates: The factory has obtained ISO9001, ISO14001 and ISO45001 certifications. Steel products comply with international standards such as ASTM, GB, JIS and EN. Original Mill Test Certificates (MTC) are provided. Third-party inspections by SGS, BV, TUV and other institutions are acceptable.

Quality Inspection
Wanzhi Group has established a comprehensive quality control system. All color coated coils undergo strict tests, including salt spray test, galvanized layer thickness measurement, surface quality check, tolerance test, tensile strength, yield strength, elongation, hardness, bending test, and more.
Packages and Delivery
Products are packed in standard export packaging with anti-rust film, kraft paper, steel strips, wooden pallets, corner protectors and moisture-proof paper. Custom packaging is available as requested. We arrange global logistics to ensure intact and timely delivery to your site.
Global Cases
So far, Wanzhi Group’s GI, GL, PPGI and PPGL sheets and coils have been exported to 120 countries and regions worldwide. We offer a rich range of colors and customized special patterns like wood grain, floral and brick textures. With abundant project experience, we deliver cost-effective material solutions for modern architectural, industrial and commercial facilities.
Wanzhi Steel – Agricultural Greenhouse Project in Turkmenistan
550 tons PPGI Steel Coil to Azerbaijan
100 tons of Galvanized Coils to Saudi Arabia
144 ton Steel Wire to Spanish
Project of PPGI Roofing en Libya
100 tons of GL and PPGL in Solomon Islands
Customer Feedback
Customers who purchased galvalume corrugated sheets, color coated galvalume coils & sheets and color coated galvanized sheets from WanZhi have delivered highly positive feedback.
If you are seeking regulation-compliant color coated sheets and coils for your projects or factories, please feel free to contact us. We tailor solutions to your demands and offer wholesale prices!




















