Green corrugated steel sheets are made from PPGI/PPGL substrates, coated with eco-friendly color and roll-formed. It combines high compressive strength, quick drainage, and corrosion resistance, making it the mainstream choice for factories, warehouses, greenhouses, and other buildings. WanZhi supplies raw materials for corrugated sheet manufacturers in approximately 120 countries worldwide and provides finished corrugated metal sheets and accessories to project owners and distributors.
Thickness: 0.15-0.8mm
Width: 600-1,250mm
Paint: PE, SMP, PVDF, HDP

Green Corrugated Steel Sheets Specification
| Item | Details |
| Substrate | PPGI / PPGL |
| Thickness | 0.15mm-0.8mm |
| Width | 600-1,250mm |
| Length | ≤12m(Cutting as required) |
| Coating | PE, SMP, PVDF, HDP |
| Paint Surface | matt/wrinkled/glossy/emboss |
| Wave Height | 18-50 mm |
| Wave Distance | 76-250 mm |
| Corrugated Types | ribbed, wavy, trapezoidal, and more. |
| Standard | GB, ASTM, JIS, EN |
| Package | Standard Export Package |
How to Choose PPGI/PPGL Corrugated Sheets
PPGI corrugated sheets offer high cost performance and are suitable for general inland environments, meeting the needs of factories, warehouses and other conventional construction projects.
PPGL corrugated sheets feature better corrosion resistance and overall performance, making them ideal for harsh environments such as coastal and high-humidity areas, and are more economical for long-term use.
| Item | PPGI Corrugated Sheet | PPGL Corrugated Sheet |
| Substrate | GI | GL |
| Coating Weight | 30–275 g/m² | 30–150 g/m² |
| Thickness | 0.12–1.2 mm | 0.12–1.2 mm |
| Oxidation Resistance | Moderate | High |
| Corrosion Resistance | Good | Excellent |
| Service Life | 10–20 years | Over 20 years |
| Surface Hardness | Medium | Higher |
| Heat Reflectivity | Low | High |
| Weight | Slightly heavier | Slightly lighter |
| Price | Generally more affordable | Relatively higher |
| Bending Strength | High | Higher |
| Suitable Environment | Various climatic conditions | Harsh climatic conditions |
How Are Green Corrugated Steel Sheets Made?
- Base Material Selection: Use PPGI or PPGL as the base material.
- Surface Treatment: Clean the base material to remove impurities and ensure good coating adhesion.
- Color Coating: Apply eco-friendly color coating to the surface of the base material.
- Curing: Cure the coating through heating to improve durability and adhesion.
- Roll Forming: Feed the coated steel sheet into a roll forming machine to create the corrugated profile.
- Cutting & Trimming: Cut to the required length and trim the edges as needed.
- Quality Inspection: Check coating thickness, corrugation height, and other specifications to ensure compliance with standards.
- Packaging & Shipping: Package qualified products for delivery to customers or markets.
Why Choose Green Corrugated Steel Sheets?
Advantages
- Corrosion-resistant and Durable: The combination of galvanized or galvalume steel and a green protective coating provides double protection. Resistant to UV, rain, and wind, these sheets are less likely to rust or fade outdoors, offering a longer service life.
- High Strength: The corrugated design enhances load-bearing capacity and resistance to wind and pressure, keeping the surface stable and resistant to deformation.
- Eco-friendly and Attractive: The green coating is environmentally safe and odorless, providing a uniform, clean appearance that suits various architectural settings.
- Quick Installation: Lightweight and standardized in size, these sheets can be laid directly, reducing construction time and labor costs.
- Cost-effective: Materials are economical, maintenance costs are low, and sheets are recyclable. Custom sizes are available, making them ideal for factories, warehouses, and large-scale projects.
Usages
Green corrugated steel sheets are easy to cut, bend, and install, enabling fast construction at low cost. Typical applications include:
- Industrial Buildings: Factory roofs, workshop roofs, and warehouse walls. Strong and weather-resistant, suitable for long-term use.
- Agricultural Facilities: Greenhouses, livestock shelters, grain storage, and farm rooftops or enclosures. Resistant to moisture and chemicals, with a green finish that blends naturally with agricultural environments.
- Public and Temporary Structures: Modular houses, temporary shelters, construction site barriers, and simple garages. Quick to install, easily removable, and cost-efficient.
- Commercial and Storage Facilities: Markets, supermarkets, sports arenas, stations, logistics centers, wholesale market roofs, and warehouse enclosures. High load-bearing capacity and low maintenance costs.
- Residential and Landscape Buildings: Villas, private houses, fences, park structures, and sunshades. Durable, visually appealing, and long-lasting.
- Special Projects: Solar panel bases, temporary buildings, cold storage enclosures, and ventilation covers. Suitable for a variety of complex environments.
Patterns of Green Corrugated Steel Sheets
The patterns of green corrugated steel panels mainly fall into two categories: surface printing and embossed textures.
- Surface Printing: This includes designs such as grass patterns, leaf motifs, wood grain, and camouflage green. These natural and realistic designs are suitable for pastoral settings, factories, and more.
- Embossed Textures: Common shapes include trapezoidal, wavy, and arc-shaped ridges. These designs enhance strength and drainage while maintaining a simple and functional appearance.


How to Choose Green Corrugated Steel Sheets?
- Check the Base Material: Opt for hot-dipped galvanized or aluzinc substrates; avoid thin or recycled base materials.
- Examine the Coating: Ensure the double-sided coating is ≥120 g/m² and that it is uniform without any missed spots.
- Inspect the Paint Layer: The paint thickness should be ≥15 μm, with no bubbles, scratches, and consistent color.
- Evaluate the Profile: The peaks should be well-defined, closely overlapping, ensuring smooth drainage and strong wind resistance.
- Choose a Reputable Brand: Select well-known manufacturers like Wanzhi, ensuring they provide testing reports, warranties, and SGS certifications.
Maintenance Tips
- Cleaning: Regularly remove dust and debris from the panel surface to prevent accumulation. Use gentle rinsing with clean water; avoid strong acids or alkalis.
- Corrosion and Rust Prevention: Promptly touch up any scratches or paint loss with matching rust-proof paint. For minor rust spots, remove the rust and then repaint to prevent further corrosion.
- Damage Protection: Avoid heavy impacts and unnecessary foot traffic on the panels. Do not stack sharp or heavy items on the surface to prevent deformation or damage.
- Fastener Inspection: Regularly check screws and rivets for looseness and tighten them as needed. Replace any that are aged or rusted to prevent leaks.
- Waterproof Sealing: Inspect the sealant at overlaps, ridges, and flashing. Reseal with caulk if cracks or aging are detected.
- Drainage Maintenance: Keep gutters and drainage outlets clear to prevent water accumulation on the panels, reducing the risk of corrosion.
Where to Buy PPGI/PPGL Corrugated Sheets?
Wanzhi Factory is equipped with a complete galvanizing production line and a color-coating production line, along with a sample room and quality inspection area. From raw material procurement and processing to quality inspection and finished product packaging, the factory has established a strict management system to ensure high-quality steel coils, steel sheets, metal roofing panels, and services for customer projects.
Factory
Wanzhi Group features a standardized production line for PPGI/PPGL corrugated panels. The automated processes include uncoiling, film coating, profiling, cutting, and packaging, allowing for a stable supply of various specifications of corrugated panels. This ensures that the products exhibit excellent corrosion resistance and durability.
Custom Services
Wanzhi Group is an ISO-certified coating steel supplier in China, manufacturing and selling stainless steel, galvanized steel, and color-coated steel. With hundreds of molding machines, we can customize corrugated metal roofing panels in various colors, specifications, and shapes according to customer requirements.
Packaging
Most exported steel panels are packed using standard export packaging. Wanzhi’s steel panel export packages include plastic film, moisture-proof paper, galvanized iron sheets, and steel strips. Standard packaging features the Wanzhi logo, and you can choose whether to use the company logo.
Prices
The price of Wanzhi PPGI/PPGL corrugated panels is mainly determined by factors such as the type of substrate, coating thickness, surface structure and treatment, order quantity, and customization requirements. If you have specific needs, please feel free to contact us, and Wanzhi will provide you with a free quotation!
Global Cases
Wanzhi Group’s PPGI/PPGL corrugated metal panels and their raw materials have been exported to over 120 countries and regions, including Peru, Chile, Colombia, Indonesia, Malaysia, Singapore, Vietnam, Saudi Arabia, and the UAE.
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
Wanzhi Group’s products are recognized for their stable quality, attractive appearance, excellent corrosion resistance, timely delivery, and easy installation. These attributes have garnered positive feedback from our customers.













