Ribbed galvalume steel roof sheet is roll-formed from galvalume steel coil. Featuring excellent corrosion resistance, weather durability, high rigidity and superior drainage performance, it is ideal for roofing of industrial, commercial and civil buildings. WanZhi Group operates two dedicated galvalume production lines. Customization is available for coating weight, dimensions and surface treatments. Also, we provide deep processing services including bending, punching, slitting, forming and coating, and deliver tailored roof sheet solutions for various construction projects.
Specification
| Product Name | Ribbed Galvalume Steel Roof Sheet |
|---|---|
| Base Material | GL steel coil |
| Thickness | 0.12-4.0mm |
| Width | ≤1500mm |
| Length | Custom cut to size |
| Coating Thickness | AZ30 - AZ150g/m2 |
| Spangle Type | Regular Spangle, Small Spangle, Big Spangle, Zero Spangle |
| Surface Treatment | Chromated, oiled, passivation, anti-finger print, coated |
| MOQ | 10 tons |
| Delivery time | 5-45days |
| Quality Certificate | SGS,ISO,BV,CE etc. |
| Package | Standard export packaging, can be customized |
WanZhi Aluzinc Roof Sheet Series
WanZhi offers premium aluzinc coils, sheets, strips and roof sheets. Thickness: 0.12–4 mm, width: 600–1500 mm and coating weight ranges from AZ30 g/m² to AZ150 g/m², all profiles are customizable. Our products suit roofing, walls, curtain walls, ceilings, air ducts and ventilation systems, with full project solutions available.
- Corrugated Galvalume Sheet: Classic wave design with 10-50mm depth and 60-400mm pitch. Cost-effective and excellent drainage, ideal for factories, warehouses and simple shelters.
- Ribbed Aluzinc Sheet: Trapezoidal rib structure with high rigidity, load-bearing capacity and wind resistance. Main types include R-panel, U-panel and trapezoidal panels.
- Standing Seam GL Sheet: Vertical interlocking design for superior waterproofing and wind resistance. Widely used for high-end commercial and public buildings.
- Tile-Type GL Sheet: Imitation tile appearance with long service life. Perfect for villas and cultural tourism buildings.
- Galvalume-faced Sandwich Panel: Composite panel with a Galvalume steel outer skin and insulation core (EPS/PU/PIR), offering both weather protection and thermal insulation for cold storage rooms and clean workshops.
- Flat GL Sheet: Plain aluzinc sheet for on-site processing, also applicable as wall panels and base plates.
Ribbed GL Roof Sheet Prices
The price of a ribbed GL roof sheet mainly influenced by factors on substrate cost, sheet profile, thickness, coating weight, surface treatment and coating type, etc. Galvalume steel prices range from $600 to $1,000 per ton, while each galvalume roof sheet costs $1–$10. The minimum order quantity for galvalume steel at WanZhi Group is 10 tons, with a lead time of 5 to 45 days. Additionally, we provide cold rolled steel, hot rolled steel, GI, GL, ZAM, PPGI, PPGL and PPAL coils & sheets, as well as aluminum and stainless steel products. Please leave us a message with your required specifications and quantity, and we will offer you our most competitive price!
Advantages of Ribbed Galvalume Roof Sheet
- Superior Corrosion Resistance: 55% Al-Zn alloy coating outperforms regular galvanized steel, effectively resisting rust and white rust for long service life.
- Excellent Drainage Performance: Optimized rib design ensures fast water runoff, preventing water accumulation on rooftops.
- High Reflectivity: The metallic coating reflects a large portion of solar radiant heat, improving building energy efficiency.
- Lightweight & Easy Installation: Reduces structural load and speeds up construction time compared to traditional roofing.
- High Structural Strength: Ribbed profile plus high-grade steel substrate delivers great rigidity, strong load-bearing and wind resistance.
- Aesthetic Appeal: Available in various colors and finishes (e.g., pre-painted) for architectural flexibility.
- Cost-Effective & Durable: Low maintenance requirements and long lifespan reduce overall operating costs.
- Environmentally Friendly: The coating is non-toxic, and the material is fully recyclable at end-of-life.
Applications
- Industrial buildings: Factories, workshops, distribution centers, warehouses and logistics parks.
- Commercial buildings: Malls, office buildings, exhibition halls and supermarkets.
- Agricultural facilities: Farm barns, equipment storage, livestock sheds and greenhouses.
- Public constructions: Stadiums, stations, gymnasiums and public venues.
- Temporary & prefab buildings: Container houses, event halls, disaster relief shelters, temporary camps and modular buildings.
- Side applications: Wall cladding, canopies and roof renovation projects.
Ribbed GL vs GI Steel Roof Sheet
Ribbed galvalume and galvanized roof sheets are sturdy, economical metal roofing materials. Galvanized steel fits budget inland projects, while aluzinc works better in corrosive coastal areas. Both are cheaper than color-coated panels, which offer richer colors and superior decorative and weather-resistant performance.
| Item | Ribbed Galvalume (GL) Roof Sheet | Ribbed Galvanized (GI) Roof Sheet |
| Coating Material | 55% Al-Zn alloy (GL) | Pure zinc (GI) |
| Anti-corrosion | Excellent | Good |
| Weather Resistance | Superior | Ordinary |
| Coating Weight | AZ30 – AZ150 g/m² | Z30 – Z275 g/m² |
| Price | Medium to high | Lower |
| Service Life | Longer | Relatively shorter |
| Main Application | Industrial buildings, coastal areas, long-term projects | Simple workshops, temporary buildings, low-budget projects |
Galvalume Roof Sheet Supplier – WanZhi Group
WanZhi Group is a professional coated steel supplier based in Boxing County, Binzhou City, Shandong Province, China. Our factory is equipped with dedicated production lines for galvanized, galvalume and ZAM steel, and holds ISO certifications. Each production line achieves a monthly capacity of 10,000 tons. We mainly supply various coated metal steel products, including galvanized steel, galvalume steel, pre-painted steel, stainless steel sheets and coils, as well as galvanized and galvalume roof sheets. Customization services are available. Our products have been exported to over 120 countries and regions worldwide.
Production Line
WanZhi factory is equipped with advanced continuous galvanizing and galvalume production lines to ensure uniform and precise coatings. We also have dedicated sample rooms and quality inspection rooms. A strict full-process management system is implemented throughout raw material procurement, production, quality testing and finished product packaging, guaranteeing all products comply with ASTM, EN, JIS and GB standards. In addition, we provide services including slitting, bending, stamping, embossing and custom coating for galvanized and pre-painted steel.
Supply Capacity
We supply a full range of metal raw materials and finished products worldwide, serving South America, Africa, the Middle East, Southeast Asia, Europe and other regions. With an annual output of 600,000 tons, we maintain sufficient stock and a stable supply chain. We are well versed in regional technical standards and customs procedures to ensure smooth order delivery.
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
Customized Services
We provide full-process customized solutions, including material selection, technical consultation, custom production and delivery, along with 24/7 online support. Additionally, we can tailor products to your specific requirements on dimensions, coating weight and other specifications. Free samples and product inspection services are also available.
Packaging
Most export products adopt standard export packaging with plastic film, moisture-proof paper, galvanized steel sheets and edge protectors. It effectively prevents collision, deformation, moisture and rust, ensuring goods arrive intact at your project site. Custom packaging such as printed logos, marked coil weights and wooden pallets is also available upon request.
Get your free quote for our metal roof sheets in all specifications and profiles. Unsure which type suits your project? Leave us a message, and our team will offer professional customized solutions.