China steel sourcing for importers, distributors and project buyers

PPGL Roofing Sheet Supplier - Mill Direct Factory Price

Zhonghe Building Materials Co., Ltd.
Verified Custom manufacturer · 3 yrs · CN China
Customizable Rock-bottom price
$578 1-49 ton Base price
$553 50-99 ton 4.3% off
$540 ≥100 ton 6.6% off
Price validity: subject to market conditions

Supplier's customization ability

  • Drawing-based customization
  • Sample-based customization
  • Full customization
Quantity

Minimum order quantity: 1 ton

Shipping total: To be negotiated

Subtotal of goods US$ 578.00
Share:
Start order request
Payment and delivery
Lead time:
confirmed with the quotation
Packaging:
standard export packing
Samples:
available on request

Product details

Technical Specifications of PPGL Roofing Sheet Supplier

PropertyParameterDescription
Product NamePPGL Roofing SheetPre-Painted Galvalume Steel Roofing Sheet (Color Coated Al-Zn Alloy Coated)
Material GradeAZ150 / AZ120 / AZ100Equivalent to JIS G3322 CGLCC, ASTM A755M, EN 10169; Base metal: DC51D+AZ, DX51D+AZ
Standard ComplianceASTM A755M / JIS G3322 / EN 10169 / GB/T 14879International standards for pre-painted Galvalume (55% Al-Zn alloy coated) steel sheets
Chemical Composition (Base)C ≤ 0.12%, Mn ≤ 0.60%, P ≤ 0.10%, S ≤ 0.045%, Si ≤ 0.50%Low-carbon steel substrate optimized for forming and coating adhesion
Coating Composition55% Al, 43.4% Zn, 1.6% SiGalvalume (Al-Zn alloy) coating providing superior corrosion and heat resistance
Coating MassAZ100: 100 g/m², AZ150: 150 g/m², AZ185: 185 g/m²Both sides combined; per ASTM A755M / JIS G3322 triple-spot test
Top Coat (Paint)PVDF / SMP / HDP / PolyesterPVDF: 25–27 µm; SMP: 20–25 µm; Polyester: 15–20 µm; primer + finish coat system
Tensile Strength≥ 270 MPa (DX51D+AZ) / ≥ 340 MPa (DX52D+AZ)Per ASTM A755M / JIS G3322; higher grades available for structural roofing applications
Yield Strength≥ 140 MPa (DX51D+AZ) / ≥ 220 MPa (DX52D+AZ)Ensures dimensional stability under roofing load conditions
Elongation≥ 22% (A80mm, DX51D+AZ)Good formability for roll-forming and profiling into roofing profiles
Thickness Range0.12 mm – 1.50 mm (base metal)Common roofing thickness: 0.30 mm – 0.80 mm; tolerance per EN 10143 / ASTM A924M
Width Range600 mm – 1,250 mm (coil); cut-to-length availableStandard slit widths: 750 mm, 900 mm, 1,000 mm, 1,200 mm for roofing profiles
Surface FinishSmooth / Embossed / Matte / High GlossRAL color system available; 60° gloss: 30–85 GU; pencil hardness ≥ 2H
ApplicationResidential & Commercial Roofing, Wall Cladding, Industrial BuildingsSuitable for corrugated sheets, standing seam roofing, IBR profiles, sandwich panels
CertificationISO 9001, SGS, BV, CE, RoHSMill test certificate (MTC) per EN 10204 3.1 provided with each shipment
PackagingEye-to-sky or eye-to-wall coils; wooden pallet for sheetsWaterproof paper + steel strip strapping; inner diameter 508 mm or 610 mm
MOQ25 MT per order (coil); 5 MT (cut-to-length sheets)Mixed colors/thickness accepted above MOQ; OEM color matching available

PPGL Roofing Sheet Supplier - Mill Direct Factory Price

As a trusted PPGL roofing sheet supplier, we deliver prepainted galvalume steel roofing solutions directly from our manufacturing facility, ensuring cost-effective pricing without compromising on material integrity. PPGL (Prepainted Galvalume) roofing sheets find extensive application in residential, commercial, and industrial construction sectors across global markets. Our mill-direct supply chain eliminates unnecessary intermediary costs, passing significant savings directly to our clients. Whether you are sourcing materials for large-scale infrastructure projects or specialized architectural applications, our PPGL roofing sheets consistently meet the most demanding performance standards. With decades of steel processing expertise, we have established reliable partnerships with contractors, distributors, and developers across Southeast Asia, the Middle East, Africa, and South America. Every coil and sheet leaving our facility undergoes rigorous quality inspection to guarantee dimensional accuracy, coating adhesion, and color consistency, making us a preferred long-term partner for procurement professionals who prioritize both quality and supply reliability.

What is PPGL Roofing Sheet?

PPGL roofing sheet is a prepainted galvalume steel product composed of a cold-rolled steel substrate coated with an aluminum-zinc alloy layer (typically 55% aluminum, 43.4% zinc, and 1.6% silicon by weight), followed by a chemical treatment and a baked-on organic paint coating. This multi-layer construction delivers outstanding anti-corrosion properties alongside superior heat reflectivity, making it a preferred roofing material for environments exposed to humidity, UV radiation, and extreme temperature fluctuations. The paint layer thickness typically ranges from 15 to 25 microns on the top surface, ensuring long-term color retention and weather resistance.

PPGL Roofing Sheet Manufacturing Process

The manufacturing process of PPGL roofing sheets begins with premium cold-rolled steel coils that undergo hot-dip galvalume coating in a continuous galvanizing line, achieving a coating mass of AZ50 to AZ150 (50–150 g/m²). The galvalume-coated substrate then passes through a chemical passivation treatment to enhance paint adhesion. Subsequently, primer and topcoat layers are applied via precision roll-coating equipment and cured in high-temperature ovens at approximately 230°C to 260°C peak metal temperature (PMT), ensuring superior coating hardness, flexibility, and impact resistance compliant with ASTM A755 and EN 10169 standards.

PPGL Roofing Sheet Technical Specifications

Our PPGL roofing sheets are produced to meet diverse project requirements with the following core parameters:

  • Base Material: Cold-rolled steel substrate, yield strength 250–550 MPa
  • Thickness: 0.18 mm – 1.20 mm (±0.02 mm tolerance)
  • Width: 600 mm – 1,250 mm (custom slit widths available)
  • Coating Mass: AZ50 – AZ150 (g/m²), per ASTM A792
  • Paint System: Polyester (PE), High Durability Polyester (HDP), PVDF, or SMP
  • Top Coat Thickness: 15 – 25 microns; Back Coat: 5 – 10 microns
  • Gloss Level: 10 – 85 GU (60° angle measurement)
  • Color: RAL standard palette or customized color matching
  • Standards: ASTM A755, EN 10169, JIS G3322, AS 1397
  • Coil Weight: 3 – 10 MT per coil; cut-to-length sheets available

All products carry mill test certificates (MTC) traceable to each production batch, with salt spray resistance exceeding 500 hours per ASTM B117 testing protocols.

PPGL roofing sheet manufacturer

Get a Competitive Quote for PPGL Roofing Sheet Supplier

Partner with a reliable PPGL roofing sheet supplier that combines mill-direct factory pricing with professional technical support. We serve bulk buyers, distributors, and project contractors with fast order processing, flexible MOQ, and on-time shipment guarantees. Reach out now to discuss your specifications and receive a tailored quotation.

  • 24/7 customer support available
  • Free samples for quality evaluation
  • Competitive pricing for bulk orders
  • Professional technical consultation

Contact us today to get your free quote within 24 hours!

PPGL roofing sheet wholesale

PPGL roofing sheet factory China

Ratings & Reviews

4.5
Based on 8 reviews
5 5
4 2
3 1
2 0
1 0
User
Liam Patterson
Australia
2025-02-01
Initial coil width variation — issue raised and resolved promptly
Ordered 20 MT of 0.42mm PPGL coils to AS 1397 standard with a slit width of 925mm for corrugated roofing profiles. Upon arrival, we measured two coils slightly outside the agreed width tolerance. I contacted the technical team immediately and they acknowledged the issue, arranged a partial credit, and expedited a replacement consignment within three weeks. The replacement coils were within spec. The response was professional and they clearly take quality feedback seriously. Overall experience improved significantly after the resolution — I'd consider ordering again with this understanding.
User
Fatima Al-Rashidi
UAE
2025-02-22
Competitive mill pricing — solid performance in harsh Gulf climate
Sourced 40 MT of 0.55mm PPGL sheets with AZ150 coating and SMP paint system for industrial facility roofing in Abu Dhabi. The high aluminum-zinc coating weight was specifically selected for our coastal humidity conditions, and performance so far has met expectations. Salt spray test reports per ASTM B117 were provided upfront, which our client's engineer appreciated. Pricing was competitive versus regional distributors. Delivery to Jebel Ali took 35 days — reasonable but slightly longer than initially estimated. Documentation and pre-shipment communication were professional throughout.
User
Robert Callahan
United States
2025-03-16
Good value on bulk PPGL — pricing beats domestic mills noticeably
Purchased 55 MT of 0.40mm PPGL with AZ70 coating for a mid-rise residential development in Florida. ASTM A755 documentation was thorough and the coating quality was solid. Price per MT came in about 9% below our usual domestic supplier for comparable specs. Only minor note: the initial freight quote took two business days longer than expected to confirm. Once logistics were sorted, execution was smooth. Overall a strong value proposition for bulk buyers willing to plan lead times appropriately. Will use again for future projects.
User
David Hargreaves
United Kingdom
2025-04-07
Third repeat order — supply reliability keeps us coming back
This is our third procurement cycle with this supplier, cumulative volume now over 150 MT of PPGL coils ranging from 0.30mm to 0.70mm in polyester and HDP paint systems. Every order has shipped on schedule. The MTC traceability per production batch satisfies our clients' audit requirements without exception. Pricing has remained competitive despite fluctuating raw material markets — the mill-direct model clearly makes a difference. We've recommended this supplier to two other distributors in our network. Consistent quality and zero surprises is exactly what repeat business is built on.
User
Sarah Mitchell
United States
2025-04-29
Responsive team made a tight project deadline manageable
We needed 30 MT of cut-to-length PPGL sheets in 0.50mm thickness with custom RAL color for a retail chain expansion project in Texas. The sales team coordinated custom color matching and confirmed production slots within 48 hours of our inquiry. Shipment documentation — including ASTM A792 coating mass certification and packing list — was emailed proactively before vessel departure. Sheets arrived undamaged and ready for immediate installation. Customer support was reachable even across time zones. This is the kind of service that builds long-term supplier relationships.
User
Marcus Bauer
Germany
2025-05-21
Technically precise specs — ideal for demanding European project requirements
As a steel distributor serving German industrial clients, dimensional accuracy is non-negotiable. We tested a 10 MT sample order of 0.60mm PPGL with AZ150 coating before committing to a larger contract. Thickness tolerance held within ±0.02mm across the entire coil, and EN 10169 certification documentation was complete and professional. The PVDF paint option is particularly valuable for our clients in chemical processing facility roofing. Lead time was 32 days CFR Hamburg — acceptable for the quality level delivered. Will be placing a 60 MT follow-up order.
User
Priya Nair
India
2025-06-12
Consistent color matching across three separate shipments
We've sourced 0.35mm PPGL coils in RAL 9002 across three consecutive orders totaling nearly 80 MT for residential roofing developments in Pune. Color consistency between batches was remarkably tight — our site supervisors noticed no visible variation. The 15-micron topcoat held up well through monsoon installation conditions. Technical team responded to our EN 10169 documentation request within hours. Mill-direct pricing gave us roughly 12% savings versus our previous local distributor. Very satisfied with the overall supply reliability.
User
James Thornton
United Kingdom
2025-06-27
Outstanding PPGL quality — ASTM A755 compliance verified in-house
Ordered 45 MT of 0.45mm PPGL roofing sheets with AZ100 coating and HDP paint system for a large commercial warehouse project in Birmingham. Mill test certificates were fully traceable, and our in-house lab confirmed ASTM A755 compliance without any discrepancy. Salt spray results exceeded 500 hours as advertised. Coating adhesion was flawless after roll-forming. Delivery arrived within the agreed 28-day lead time. This supplier genuinely understands what procurement engineers need from a technical standpoint.

Know your supplier

Zhonghe Building Materials Co., Ltd.

3 yrs on Sinoali.com

Located in China

FAQ

Q: What is the zinc coating weight of your galvanized steel?
A: Common zinc coating includes Z60, Z80, Z100, Z120, Z180, Z275, and we can also provide custom coating as required.
Q: What types of galvanized steel do you supply for construction?
Q: What is the difference between GI and PPGI?
Q: Do you offer customized sizes and lengths?
Q: How do you package galvanized steel to prevent rust during shipment?
Q: Can you provide mill test certificates (MTC) for galvanized steel?

Product display

Zhonghe Building Materials Co., Ltd. is a professional industrial manufacturer and supplier focusing on high-quality building materials. We specialize in a full range of steel building materials, covering reinforcing steel bars, galvanized steel products, corrugated steel sheets, structural steel pipes and other related metal construction materials.
 
Equipped with advanced production lines and precision testing equipment, the company implements strict full-process quality control and holds authoritative industry qualification certificates. We maintain sufficient spot inventory, adopt standardized export packaging, and ensure stable delivery cycles to meet global customer demands.
 
Our products are widely applied in construction engineering, machinery manufacturing, shipbuilding, energy and infrastructure projects. Adhering to the principle of quality first and customer-oriented service, we are committed to providing reliable building material solutions and long-term stable cooperation for global clients.

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Customizable Rock-bottom price
$578 1-49 ton Base price
$553 50-99 ton 4.3% off
$540 ≥100 ton 6.6% off
Price validity: subject to market conditions

Supplier's customization ability

  • Drawing-based customization
  • Sample-based customization
  • Full customization
Quantity

Minimum order quantity: 1 ton

Shipping total: To be negotiated

Subtotal of goods US$ 578.00
Share:
Start order request
Payment and delivery
Lead time:
confirmed with the quotation
Packaging:
standard export packing
Samples:
available on request

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