Aoguan Thin Steel Group specializes in the production and sales of color-coated steel coils (PPGI and PPGL), focusing on integrated manufacturing and direct sales. As Wholesale Prepainted Steel Coil For Metal Roofing Sheets Manufacturers
and China Prepainted Steel Coil For Metal Roofing Sheets Factory, we serve markets in Southeast Asia, Africa, the Middle East, and South America. With headquarters in Chuan Sha, Shanghai, and factories in Zhejiang, Jiangsu, and Anhui, we are committed to delivering high-quality products to clients worldwide.
Our color-coated steel coils offer stunning hues and exceptional visual effects, creating endless market opportunities and potential for growth. With our commitment to quality and innovation, success is within reach, and we look forward to collaborating with partners from all sectors to build a brighter future together!
Technical Specifications
| Property | Details |
| Base Metal | Hot-Dip Galvanized Steel (GI) or Galvalume Steel (GL) |
| Standard | JIS G3312, ASTM A755, EN 10169 |
| Grade | DX51D+Z, DX52D+Z, S250GD+Z, S280GD+Z, S320GD+Z |
| Thickness Range | 0.30mm - 1.2mm |
| Width Range | 600mm - 1250mm |
| Zinc Coating Weight | 80g/m² - 275g/m² |
| Top Coat Type | SMP, HDP, or PVDF |
| Top Coat Thickness | 20µm - 35µm |
| Back Coat Type | Epoxy with corrosion inhibitors, 5µm - 10µm |
| Color Retention | ΔE ≤ 2.0 after 10 years (PVDF) |
| Color Range | Full RAL spectrum; traditional roof colors (red, brown, gray, green) and custom colors |
| Coil ID | 508mm / 610mm |
Applications
- Residential Metal Roofing
- Commercial and Industrial Roofing
- Agricultural Building Roofs
- Institutional Building Roofing
- Standing Seam Roof Systems
- Corrugated Metal Roofing Panels
Key Advantages
- Superior Weather and UV Resistance
- Long-Term Color and Gloss Retention
- Excellent Corrosion Protection
- Energy Efficient
- Lightweight Yet Strong
- Low Maintenance Requirements
- Versatile Profile Formability
Payment & Shipping
- Payment Terms: 30% T/T in advance + 70% T/T against B/L copy, or Irrevocable L/C at sight
- Trade Terms: FOB, CFR, CIF
- Packaging: Standard sea-worthy export packaging with protective film and edge protection to prevent roll damage
- Shipping: 20-foot or 40-foot containers, delivery 30-45 days after order confirmation
Frequently Asked Questions
- Q: What is the best coating for metal roofing in hot climates?
- A: For hot climates, we recommend PVDF coating for its superior UV resistance and heat reflectivity. Light-colored PVDF coatings can significantly reduce building cooling costs by reflecting solar radiation.
- Q: How long does prepainted metal roofing last?
- A: With proper coating selection and installation, our prepainted metal roofing can last 30-50 years. PVDF-coated products typically offer the longest service life with minimal fading or chalking.
- Q: Can you match existing roof colors for renovation projects?
- A: Yes. We offer color-matching services to ensure that new roofing materials match existing building colors. We can match physical samples or provide color samples for approval.










