Color coated roofing sheet features excellent corrosion resistance, heat insulation, waterproof performance and attractive appearance. Lightweight and quick to install, it is widely used for roofing, wall cladding and interior & exterior decoration of residential, industrial and commercial buildings. Wanzhi Group runs three professional color coating lines with precision roller coating and rolling machines. We customize sheet sizes, profiles, zinc coating weight and surface treatments as required. The delivery time is 5 to 45 days. Please feel free to leave your message for consultation.
Thickness: 0.12mm – 1.2mm
Width: 600mm – 1,250mm
Delivery Time: 5 – 45 days
Specification
| Product Name | Color coated roofing sheet |
|---|---|
| Substrate | Galvanized steel / Galvalume steel / Aluminum |
| Material | SGCC, SGHC, CGCC, DX51D, DX52D, DX53D, S350GD, TS550GD, etc. |
| Zinc Coating Weight | Z30-Z275 g/㎡, AZ20-AZ150 g/㎡ |
| Thickness | 0.12mm - 1.2mm |
| Width | 600mm - 1,250mm |
| Length | 1m -12m, custom cut-to-length |
| Color | As per RAL Color or as your request |
| Sheet Shape | Corrugated, trapezoidal, ribbed, wavy, tiled etc. |
| Coatings | PE, SMP, HDP, PVDF |
| Coating Thickness | Top:11-35μm Back: 5-14μm |
| Surface Treatment | Matt, glossy, emboss, wrinkled |
| Standard | EN, GB, ASTM, DIN, JIS |
| MOQ | 10 tons |
| Package | Standard Export Package, customized as required |
| Delivery Time | 5-45 days |
Color Coated Roofing Sheet Production Process
- Raw Material Uncoiling: High-quality galvanized and galvalume steel coils serve as raw materials for continuous production after uncoiling.
- Surface Pretreatment: Strict degreasing, washing and chemical passivation remove surface impurities to ensure strong paint adhesion and anti-corrosion performance.
- Primer Coating & Curing: Uniform primer covers the steel surface and undergoes high-temperature curing to enhance bonding and rust resistance.
- Topcoat Coating & Curing: Weather-resistant topcoat (PE, SMP, HDP, PVDF) is applied and second-time baked to form a smooth, durable and colorful coating layer.
- Cooling & Quality Inspection: Coated steel strips cool down and pass strict checks on color, gloss, coating thickness and surface quality.
- Slitting & Recoiling: Qualified color steel strips are cut to required widths and recoiled into finished color coils.
- Profiling & Finishing: Color coils take shape into various roof sheet styles via roll forming, get cut to custom lengths and receive standard packaging before delivery.
Wanzhi Roof Steel Sheet Types
- Corrugated Roof Sheets: Classic wave and trapezoidal profiled panels, cost-effective and easy to install, widely used for factories, warehouses, farm buildings and general residential roofing projects.
- Glazed Metal Roof Tiles: Glazed metal roof tiles look like traditional clay tiles with delicate decorative effects. They fit villas, countryside houses, scenic spots and high-end residential roof works.
- Standing Seam Metal Roof Panels: Adopts hidden fastener interlocking structure, excellent waterproof and wind-resistant performance, ideal for large public buildings, stadiums, exhibition halls and coastal high-standard projects.
- Flat Steel Sheets: Unformed raw flat panels, available for secondary profiling processing, also applied to building wall cladding, enclosure and interior & exterior decoration works.
- Insulated Sandwich Roof Panels: Composite panels with inner thermal insulation core, integrating heat preservation, waterproofing and decoration, commonly used for clean rooms, cold storage and prefabricated buildings.
- R Panel / IBR Sheet: R Panel / IBR Sheet has reinforced longitudinal ribs. This trapezoidal panel features high structural stiffness and strong load-bearing ability. It is commonly used in large-span factories, warehouses, commercial buildings and external wall cladding.




Coatings and Surface Finish of Color Coated Roofing Sheet
Coating Types
Common Surface Finishes
Colors and Pattern Options
- Available Standard & Custom Colors: Wanzhi Group is capable of supplying a full range of international standard RAL colors or as per clients’ request. Gloss, matte and embossed surface color finishes are also available options to meet diverse architectural decorative demands.
- Decorative Pattern Options: We can stably manufacture various decorative patterned color coated sheets, including wood grain, stone grain, camouflage and metallic texture styles. These patterned panels deliver excellent weather resistance and scratch resistance for multiple construction projects.



Advantages of Color Coated Roofing Sheet
- Excellent Corrosion & Weather Resistance: Multiple premium coating options effectively resist UV rays, rain, rust and acid-alkali erosion, ensuring long service life in diverse environments.
- Lightweight & High Structural Strength: Low self-weight reduces building load, while good rigidity delivers stable load-bearing performance for roofing and wall cladding.
- Good Heat Insulation & Waterproof Performance: Tight coating and overlapping installation effectively block rainwater leakage; insulated options deliver outstanding thermal insulation to reduce building energy consumption.
- Easy Processing & Fast Installation: Great formability allows roll-forming into multiple profiles; simple construction shortens project duration and labor costs.
- Low Maintenance Cost: Smooth coating surface resists dirt adhesion, requiring little routine cleaning and no frequent anti-rust repainting.
- Eco-Friendly & Recyclable: Steel material can be fully recycled, complying with green construction requirements.
Applications
- Industrial Buildings: Factory workshops, warehouses, logistics parks, large industrial plants for roofing and wall enclosure.
- Commercial Construction: Shopping malls, exhibition halls, stadiums, office buildings and market venues.
- Agricultural Facilities: Breeding farms, greenhouses, agricultural storage barns and livestock sheds.
- Residential & Villa Projects: Villa roofs, rural self-built houses, community exterior wall decoration.
- Public Infrastructure: Bus stations, subway stations, garages, schools and medical buildings.
- Temporary & Prefabricated Buildings: Container houses, prefab camps, temporary construction site offices.
- Special Engineering Projects: Coastal corrosion-resistant buildings, mineral processing plants and special military facilities.

How to Choose Suitable Color Coated Roofing Sheet?
- Select proper coating type: Choose PE for ordinary areas, SMP/HDP for sunny or industrial regions, and PVDF for coastal high-corrosion environments.
- Confirm required thickness: Select thicker sheets for large-span buildings or wind-prone areas, and thin specifications for small temporary constructions.
- Confirm roof sheet profile: Choose corrugated, IBR, glazed tile or standing seam profiles based on building span, wind load and architectural appearance requirements.
- Decide color & surface finish: Select standard solid colors or decorative grain patterns, match gloss/matte surface to meet local aesthetic and project design standards.
- Check local environmental conditions: Prioritize anti-rust, weather-resistant panels for coastal, high-temperature, polluted or heavy rainfall areas.
- Consider budget and service life: Balance coating grade, material thickness and service life to control overall project cost reasonably.
Color Coated Metal Roofing Sheet Manufacturer and Supplier – Wanzhi Group
Wanzhi Group is an ISO-certified Chinese manufacturer and supplier of color-coated metal roof sheets, with its factory located in Boxing County, Binzhou City, Shandong Province. Our factory is equipped with production lines for galvanized steel, galvalume steel, color-coated steel and zinc-aluminum-magnesium steel, as well as a quality inspection room and a sample showroom, achieving an annual production capacity of 600,000 tons. We supply various steel raw materials and a wide range of finished metal roof and wall panels, including hot-rolled steel, cold-rolled steel, galvanized/galvalume steel coils, steel sheets, steel strips, PPGI, PPGL, PPAL, ZAM, corrugated metal sheets and stainless steel products. Our products are exported to 120 countries and regions around the world, serving projects across multiple industries such as industry, construction, home appliances, new energy and agriculture.






Wanzhi Steel Factory
- Certificates: Our factory has obtained ISO9001, ISO14001 and ISO45001 certifications. All steel products strictly comply with international standards including ASTM, GB, JIS and EN. Mill Test Certificates (MTC) can be provided. Third-party inspections such as SGS, BV and TUV are acceptable.
- Stable Supply: Wanzhi Factory is equipped with 8 professional production lines, each with a monthly output of over 10,000 tons. We maintain sufficient in-stock inventory, and the lead time for customized products ranges from 5 to 45 days.
- Export Support: Wanzhi Group supplies a full range of metal raw materials and finished products worldwide, covering South America, Africa, the Middle East, Southeast Asia, Europe and other regions. We accept multiple trade terms including FOB, CIF and EXW. We will handle customs declaration, commodity inspection and shipping booking to guarantee timely delivery of goods.
- Service Advantages: Our team provides one-stop integrated services covering material selection, technical consultation, customized production and delivery, with 24-hour online support offered. We also offer deep processing services including slitting, cutting, punching, stamping, bending, welding, film coating, painting and special-shaped processing.
Quality Testing
All products undergo rigorous testing and certification prior to delivery. The tests carried out on color-coated steel products include salt spray test, zinc coating thickness inspection, bending test, hardness test, thickness test, gloss test and mechanical property test.

Package and Delivery
We adopt standard export packaging consisting of plastic film, moisture-proof paper, galvanized iron sheets, edge protectors and wooden pallets. This prevents the products from getting damp and rusty, ensuring goods arrive intact at customers’ project sites. Besides, customized export packaging is also available upon your request.

Global Cases
To date, Wanzhi Group’s PPGL and PPGI roofing sheets sell well in more than 120 countries and regions across the globe. We supply various color options including white, blue, red, grey, green and black, and also provide customized special styles like matte finish and wood grain pattern to meet diverse design demands.
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 Reviews
Our galvanized steel sheets & coils, galvalume steel sheet and coils, prepainted galvanized and aluzinc steel sheets & coils, as well as corrugated roof sheets, have won widespread praise and recognition from customers. Consistent product quality and timely delivery secure a stable repeat order rate for our company.
Looking for regulatory-compliant color-coated sheets and coils for your project or factory? We can customize dimensions, profiles, surface treatments, coatings and colors to suit your demands. Wanzhi Group also provides roll forming equipment for your on-site processing. Please feel free to contact our sales managers for accurate quotations and customized professional solutions.







