Corrugated PPGL Sheet | Color Coated Aluzinc Corrugated Roofing Sheet | Factory Supply

If you've ever struggled with roofing materials that rust too quickly, fade in the sun, or cost too much to install, you're in the right place. At PINJIE, we've been manufacturing corrugated PPGL (Pre-Painted Galvalume) sheets for over 12 years, and we've designed this product specifically to solve the most common pain points for international builders and contractors.

Our corrugated PPGL starts with a high-grade 55% aluminum, 43.5% zinc, and 1.5% silicon alloy substrate-this is what gives it far better corrosion resistance than regular galvanized steel. We then apply a durable organic coating after a rigorous 3-step surface pretreatment process, and finally form the sheets into precise corrugated profiles using our CNC cold bending machines. We've added an extra passivation step before coating that most factories skip, which increases coating adhesion by 20% and prevents peeling even in extreme temperature changes.

The corrugated design isn't just for looks-it increases the sheet's stiffness by up to 300% compared to flat panels, meaning you can use thinner material without sacrificing strength. This saves you money on both materials and shipping, while still delivering a product that will stand up to decades of harsh weather.

As an integrated manufacturer with our own galvalume and color coating lines, we don't rely on third-party suppliers for raw materials. This gives us complete control over quality, allows us to offer fully custom specifications, and keeps our lead times short. Today, we ship these sheets to over 38 countries across Southeast Asia, South America, Africa, and the Middle East, and all our products meet ASTM A792, EN 10215, and JIS G3321 international standards.

Important Note: PPGL is not recommended for applications with constant water immersion or strong acid exposure. For these scenarios, we recommend our 316 stainless steel sheets instead.

Container Loading Solutions

20ft Standard Container: Load capacity approximately 20-25 metric tons, adjustable based on sheet thickness and packaging method, suitable for small to medium orders

40ft Standard Container: Load capacity approximately 25-28 metric tons, maximizing container space utilization and reducing unit transportation cost

40ft High Cube Container: Load capacity approximately 27-30 metric tons, suitable for oversized sheets or higher loading requirements

Packaging & Protection Measures

Waterproof and moisture-proof packaging with anti-rust paper and PE film inner wrapping, reinforced with wooden brackets and steel straps

Separation paper between sheets to prevent surface scratches, edge protectors installed at corners

Overall fixation inside container to prevent shifting and collision during transportation

Standard export sea-worthy packaging, suitable for long-distance ocean transportation and multiple handling

Shipping Notes

Multiple trade terms available including FOB, CIF, EXW

Door-to-door delivery service available

Complete packing list and loading photos provided before shipment

Q: What is the typical lead time for corrugated PPGL?
A: Regular specifications ship within 7-15 days. Custom colors and special specifications depend on production schedule, subject to order confirmation.

Q: Can you provide samples for confirmation?
A: Free samples are available. Customer covers sample shipping cost, which will be refunded upon order confirmation.

Q: What is the minimum order quantity?
A: 5 tons for regular colors. MOQ for custom colors varies based on specific color requirements.

Q: What is the product warranty period?
A: 10-20 years quality warranty depending on coating type and application environment, subject to product warranty certificate.

Q: What payment methods are accepted?
A: Multiple international payment methods including T/T and L/C are acceptable, negotiable upon discussion.