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PPGI Prepainted Galvanized Steel Coil for Roofing Sheets, Wall Panels and Construction MaterialsPPGI Prepainted Galvanized Steel Coil for Roofing Sheets, Wall Panels and Construction MaterialsPPGI Prepainted Galvanized Steel Coil for Roofing Sheets, Wall Panels and Construction MaterialsPPGI Prepainted Galvanized Steel Coil for Roofing Sheets, Wall Panels and Construction MaterialsPPGI Prepainted Galvanized Steel Coil for Roofing Sheets, Wall Panels and Construction Materials
PPGI Prepainted Galvanized Steel Coil for Roofing Sheets, Wall Panels and Construction MaterialsPPGI Prepainted Galvanized Steel Coil for Roofing Sheets, Wall Panels and Construction MaterialsPPGI Prepainted Galvanized Steel Coil for Roofing Sheets, Wall Panels and Construction MaterialsPPGI Prepainted Galvanized Steel Coil for Roofing Sheets, Wall Panels and Construction MaterialsPPGI Prepainted Galvanized Steel Coil for Roofing Sheets, Wall Panels and Construction Materials

PPGI Prepainted Galvanized Steel Coil for Roofing Sheets, Wall Panels and Construction Materials

Prepainted Galvanized Steel Coil – PPGI coil for roofing sheets and wall panels.
Custom RAL Colors – Standard and customized colors available for different markets.
Zinc Coated Base – Galvanized substrate improves anti-rust and forming performance.
Multiple Paint Systems – PE, SMP, HDP and PVDF coatings for different applications.
Export Ready Supply – MTC, inspection support, seaworthy packing, FOB, CIF and CFR available.

Prepainted Galvanized Steel Coil for Roofing and Construction Materials

Prepainted galvanized steel coil, commonly called PPGI coil, is one of the most widely used coated steel materials in the construction industry. It is produced by applying primer and color paint onto galvanized steel coil through a continuous color coating line.

The galvanized substrate provides zinc coating protection, while the paint layer gives the coil an attractive color surface and additional weather resistance. This makes PPGI suitable for roofing sheets, wall panels, sandwich panels, garage doors, ceilings, steel structures and many building material products.

Henan GDD supplies prepainted galvanized steel coils in different thicknesses, widths, zinc coating weights, paint systems, RAL colors and surface finishes. We support roofing sheet factories, construction material suppliers, sandwich panel manufacturers, steel distributors and global project buyers.


Product Parameters

Item Specification
Product Name PPGI Coil / Prepainted Galvanized Steel Coil
Base Material Galvanized Steel Coil / Zinc Coated Steel Coil
Steel Grade DX51D, DX52D, DX53D, SGCC, SGCH, S280GD, S350GD, Q195, Q235 or Customized
Standard ASTM, JIS, EN, GB or Customized
Thickness 0.12 mm – 1.20 mm or Customized
Width 600 mm – 1250 mm or Customized
Zinc Coating Z30 – Z275 or Customized
Paint Type PE, SMP, HDP, PVDF
Top Paint Thickness 10 μm – 35 μm
Back Paint Thickness 5 μm – 25 μm
Color RAL Color / Customized Color
Surface Finish Glossy, Matte, Wrinkled, Embossed, Printed
Coil ID 508 mm / 610 mm
Coil Weight 3 – 8 MT or Customized
Processing Service Slitting, Cutting, Protective Film, Roll Forming Support
Application Roofing Sheet, Wall Panel, Sandwich Panel, Ceiling, Door, Prefabricated Building
Packing Standard Export Seaworthy Coil Packing
Trade Terms FOB, CFR, CIF, EXW

What Is Prepainted Galvanized Steel Coil?

Prepainted galvanized steel coil is a color coated steel product made from galvanized steel substrate. The production process usually includes surface cleaning, chemical pretreatment, primer coating, top paint coating and baking.

The zinc coating helps protect the steel base from rust, while the paint coating provides color, decoration and extra weather protection. Because of this combination, prepainted galvanized steel coil is widely used as raw material for roofing sheets, wall cladding, sandwich panels and construction products.

PPGI is easy to process by slitting, cutting, corrugating, roll forming and pressing. It is a practical material for factories that produce roofing panels, wall panels, garage doors, ceilings and building accessories.


Main Product Types

Regular PPGI Coil

Regular PPGI coil is usually supplied with PE coating and standard RAL colors. It is suitable for roofing sheets, wall panels, ceilings, doors and general construction materials.

Matte PPGI Coil

Matte PPGI coil has a low-gloss surface and a more premium appearance. It is often used for roofing panels, wall cladding and architectural products where strong reflection is not preferred.

Wrinkled PPGI Coil

Wrinkled PPGI coil has a textured paint surface. It provides a special decorative effect and is widely used for roofing sheets, wall panels, garage doors and building materials for retail markets.

Embossed PPGI Coil

Embossed PPGI coil has a patterned surface created by embossing. It can be used for decorative wall panels, ceiling panels, doors and interior or exterior building materials.

Printed PPGI Coil

Printed PPGI coil can be supplied with wood grain, brick pattern, marble pattern, camouflage pattern or customized designs. It is suitable for decorative panels, wall systems, doors and special construction material markets.


Common Applications

Prepainted galvanized steel coil is mainly used in construction material production. It can be roll-formed into corrugated roofing sheets, metal roof tiles, wall panels and building cladding systems.

For sandwich panel production, PPGI is often used as the surface material for EPS, PU, PIR and rock wool sandwich panels. It provides a colorful, protective and easy-to-clean outer surface.

PPGI coil is also used for garage doors, rolling shutters, ceiling panels, container houses, modular houses, warehouses, factories, steel structures, agricultural buildings and prefabricated buildings.

In appliance and light industrial applications, prepainted galvanized steel coil can be used for panels, cabinets, enclosures and other products requiring color surface and corrosion protection.


Product Advantages

Good Corrosion Resistance

The galvanized steel base provides zinc coating protection, helping improve anti-rust performance compared with ordinary carbon steel coil.

Attractive Color Appearance

PPGI coil can be supplied in standard RAL colors or customized colors. Glossy, matte, wrinkled, embossed and printed finishes can meet different market demands.

Easy Roll Forming

Prepainted galvanized steel coil has good processing performance and can be slit, cut, corrugated, roll-formed and pressed into roofing sheets and wall panels.

Flexible Paint System Selection

PE, SMP, HDP and PVDF paint systems can be selected according to project budget, climate condition, service life requirement and color retention needs.

Cost-effective Construction Material

PPGI provides a practical balance of price, color appearance, corrosion resistance and processing performance for roofing and wall panel production.

Suitable for Export Markets

PPGI is widely used in global construction markets and is suitable for distributors, roofing sheet factories, panel manufacturers and project buyers.


Paint Coating Options

PE coating is the most commonly used and cost-effective paint system. It offers good adhesion, rich color options and practical outdoor performance for general roofing and wall panel applications.

SMP coating provides better weather resistance and color retention than standard PE coating. It is suitable for outdoor construction products requiring longer service life.

HDP coating offers higher durability and better UV resistance. It is suitable for high-quality roofing sheets, wall panels and building products used in stronger sunlight environments.

PVDF coating provides excellent weather resistance, corrosion resistance and color stability. It is recommended for high-end buildings, coastal areas, industrial environments and long-life construction projects.


PPGI Coil vs PPGL Coil

PPGI coil uses galvanized steel as the base material, while PPGL coil uses galvalume steel as the base material. Both are prepainted steel coils used for roofing, wall panels and construction materials.

PPGI is widely used because it is cost-effective, easy to process and suitable for many general building applications. PPGL usually offers better heat reflectivity and long-term corrosion resistance because of its Al-Zn coated substrate.

For general roofing sheet and wall panel production, prepainted galvanized steel coil is a practical and economical choice. For projects requiring better heat reflection or stronger outdoor durability, PPGL may also be considered.


Surface and Color Options

Henan GDD can supply prepainted galvanized steel coils in standard RAL colors and customized colors based on customer samples. Common colors include white, red, blue, green, gray, black, cream and local market colors.

Surface finishes include glossy, matte, wrinkled, embossed and printed surfaces. Protective film can also be applied if customers need extra surface protection during roll forming, handling or installation.

For roofing sheet factories and construction material distributors, stable color, coating adhesion, paint thickness and surface consistency are important for final product quality.


Why Choose Henan GDD

Henan GDD is a reliable steel material supplier with experience in coated steel coil supply, processing, inspection, packing and export service. We provide prepainted galvanized steel coil solutions for roofing sheet factories, sandwich panel manufacturers, construction material suppliers, steel distributors and global project buyers.

We support custom RAL colors, zinc coating selection, multiple paint systems, flexible coil weight, export packing, inspection documents and international shipment. From quotation to production, inspection, packing and loading, our team can provide one-stop export support for your PPGI coil orders.


Quality Control

Before shipment, Henan GDD can arrange inspection according to customer requirements. Inspection items may include steel thickness, coil width, zinc coating, paint thickness, color matching, gloss, surface condition, coating adhesion, coil weight, packing condition and shipping mark.

For project or factory orders, bending performance, color difference, surface defects, coating quality and third-party inspection can also be arranged according to buyer requirements.

MTC, quality documents, inspection photos, packing photos, loading photos and third-party inspection reports can be provided with shipment.


Packing and Delivery

PPGI coils are packed with standard export seaworthy coil packing. Common packing includes waterproof paper, protective film, steel sheet cover, edge protection, steel strips, coil labels and outer protection.

Proper packing helps protect the painted surface during storage, handling and ocean transportation. Shipment can be arranged by container or other suitable logistics methods depending on coil size, order quantity and destination port.

Export documents such as commercial invoice, packing list, bill of lading, MTC and certificate of origin can be provided according to buyer requirements.


FAQ

Q1: What is prepainted galvanized steel coil used for?

Prepainted galvanized steel coil is used for roofing sheets, wall panels, sandwich panels, garage doors, rolling shutters, ceilings, prefabricated buildings, modular houses and construction materials.

Q2: Is PPGI the same as prepainted galvanized steel coil?

Yes. PPGI means prepainted galvanized iron or prepainted galvanized steel coil. It refers to galvanized steel coil with color paint coating.

Q3: Can you customize RAL colors?

Yes. Standard RAL colors and customized colors based on customer samples can be supplied.

Q4: What paint systems can you supply?

Common paint systems include PE, SMP, HDP and PVDF. Different coating systems can be selected according to application environment and service life requirement.

Q5: Can PPGI coil be used for corrugated roofing sheet production?

Yes. PPGI coil is widely used as raw material for corrugated roofing sheets, metal roof tiles and wall panels.

Q6: What information is needed for quotation?

Please provide thickness, width, zinc coating, paint type, color, surface finish, coil weight, quantity, destination port and trade terms.

Q7: Do you provide MTC and inspection documents?

Yes. MTC, quality documents, inspection photos, packing photos, loading photos and third-party inspection can be provided according to order requirements.


Call to Action

Looking for prepainted galvanized steel coil for roofing sheets, wall panels or construction material production?
Send us your required thickness, width, zinc coating, paint type, color, quantity and destination port. Henan GDD will provide a professional quotation and suitable shipping solution.


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