Color Coated PPGL Galvalume Steel Coil for Metal Roofing

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Color Coated PPGL Galvalume Steel Coil for Metal Roofing
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Traditional ordinary steel is prone to rust, has a short service life, and high maintenance costs; on-site painting has low efficiency, unstable quality, and is not environmentally friendly. Modern projects increasingly require a balance between corrosion resistance, design aesthetics, project costs, and long-term service life.
Our Color Coated PPGL Galvalume Steel Coil uses a substrate with a gold-proportion alloy coating of 55% Aluminum - 43.5% Zinc - 1.5% Silicon, combined with a multi-layer organic coating process. It perfectly solves the pain points of traditional materials, providing you with high-quality building materials that combine protection, aesthetics, and economy.
Category
Prepainted Galvalume Steel Coil
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Description

With over 10 years of experience in the foreign trade industry, we are proficient in international compliance and risk control. As a direct source factory, we eliminate middleman markups, offering significant price advantages through factory direct supply. We support customized production with controllable delivery cycles, providing you with cost-effective aluzinc color coated steel coil products.

 

Core Product Advantages

 

Start with the coating, because that's where roofing coils win or lose. Our color coated PPGL carries a 55% aluminum-zinc galvalume layer, and in most environments it outlasts a zinc coating of similar thickness by roughly two to four times. On a roof, that means fewer replacements and less downtime-not just a longer warranty.

Above the alloy sits a mill-applied paint system: primer plus PVDF, HDP, or SMP topcoat, baked on. You get uniform color across the whole roof, better resistance to UV fading and chalking, and a harder surface that handles transport and weather. Lighter colors also reflect more solar heat than bare galvanized, which can trim cooling costs on a metal building.

Every coil is made to ASTM A792 or JIS G3321, in AZ20 to AZ150 coating classes, and we will share mill certificates with any inquiry.

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Bends, roll-forms, and stamps into tight profiles - roof panels, wall cladding, industrial parts - with no coating cracks or peeling, so it takes on complex building and fabrication work without a second thought.

It's made from 100% recyclable steel and built for the long haul: fewer repairs, fewer replacements, and lower maintenance costs year after year, which is easier to justify when budgets stretch over decades.

Sustained heat at 315°C won't deform it, and its high-reflectivity surface trims building energy use. In hot, corrosive settings where ordinary coated steel degrades fast, it keeps performing, season after season.

 

Application Scope

 

Typical jobs we supply for:

 Residential roofs and villa extensions, where color and long coating life matter

 Commercial buildings, shopping centers and office blocks

 Factories, warehouses and logistics centers with large-span roofs

 Agricultural buildings: poultry sheds, pig houses, barns and greenhouses

 Coastal towns and industrial zones, where salt air and chemical exposure eat ordinary GI sheets

 Retrofit and re-roofing work over existing trusses

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Technical Parameters

 

Parameter Item

Details

Substrate Material

55% Aluzinc Alloy Steel Sheet 

Coating Composition

55%Al + 43.5%Zn + 1.5%Si

Coating Weight

AZ20-150/m2 (Double-sided, customizable)

Product Thickness

0.12mm-3.0mm

Product Width

40mm-1250mm (Customizable)

Coating Type

Polyester (PE), High Durability Polyester (HDP), Polyvinylidene Fluoride (PVDF), Silicon Modified Polyester (SMP), PU, SRP, etc

Coating Thickness

Primer 5-10μm, Topcoat 10-50μm, Backcoat 5-50μm

Color Options

Support full color customization for RAL & Pantone color systems

 

Packaging & Delivery

 

 Standard Packaging: Waterproof and moisture-proof paper + steel belt fixation + wooden pallet, ensuring that the products are not affected by moisture or damage during transportation, and safely delivered to your hands.

 Delivery Cycle: 20-35 days after receiving the deposit (adjusted according to the order quantity), we have sufficient production capacity to ensure on-time delivery.

 Shipping Port: Qingdao Port or Tianjin Port can be paired with various transportation methods worldwide, including sea and land.

 Minimum Order Quantity: 1 container, the MOQ can be negotiated for trial orders, supporting small batch trial orders.

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Quality Certification

 

Our products have passed a number of international authoritative certifications, with guaranteed quality:

ISO 9001 Quality Management System Certification

CE EU Safety Certification

SGS/BV Third-party Inspection Report

RoHS & REACH Environmental Compliance Certification

All products can provide complete inspection reports and certification documents to meet your project compliance requirements.

 

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Our Service Support

 

Customized Production: We can carry out customized production according to your drawings and samples, supporting customization of color, size, coating type, to meet your personalized needs.

Professional Technical Service: We provide professional technical consultation and after-sales service, providing solution design for you according to different application scenarios, helping you solve various problems in the project.

Stable Supply Capacity: Our annual production capacity reaches 200,000 tons, with stable large-volume supply capacity. Whether you are a small batch trial order or a large batch engineering order, we can meet your needs.

Flexible Payment Methods: We support multiple payment methods such as T/T, L/C, providing you with flexible settlement options to reduce your capital pressure.

 

Frequently Asked Questions

1. Can you deliver on time?

Yes, we promise to provide you with high-quality products on time regardless of price fluctuations, integrity is the purpose of our company.

2. How can I get a quotation as soon as possible?

Our email and fax will be checked within 24 hours, and online customer service is also online 24 hours a day. You only need to tell us the order quantity, specifications (steel grade, material, size) and the destination port, and we will provide you with the latest quotation.

3. Can you provide samples if I need them?

We can provide samples for free, but the freight needs to be borne by you. If we reach a cooperation in the future, the freight will be borne by our company.

 

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