YX25-430standing seam metal roof panels
Specifications: 25-330/400/430, 32-300/410/430
Surface treatment: PVDF/PE
Thickness: 0.5-1.0 mm
Color: RAL and other customized colors
Standards: ASTM, DIN, JIS, BS, GB/T
Supply capacity: 1000 tons/month
Service life: 30 years warranty
Minimum order quantity: 500 square meters/1 T
Delivery time: 15-20 days
Standing seam metal roof panels: superior leak protection and ultra-long lifespan -huafeng®
Xi'an Huafeng Construction Engineering Co., Ltd. specializes in providing high-performance standing seam metal roof panels systems. Utilizing advanced technology, these systems offer superior waterproofing, an exceptionally long service life, and a modern aesthetic design. Suitable for all types of commercial and residential buildings.
Product Introduction
Standing seam metal roof panels are the premier choice for modern building roofing systems. Their unique interlocking edge design achieves superior 360° waterproof sealing, completely eliminating the leakage risks associated with traditional screw-driven systems.
The system utilizes concealed sliding supports, perfectly adapting to the thermal expansion and contraction of the metal panels, ensuring long-term structural stability. Combined with a high-strength substrate and a highly weather-resistant coating, the system's lifespan far exceeds 50 years, significantly reducing total lifespan costs.
Their sleek vertical lines lend buildings a clean, modern aesthetic, making them ideal for high-end commercial, public, and residential projects that prioritize lasting quality and superior aesthetics.
Material Specifications
| Type | Thickness | Coating/Treatment | Features |
| Aluminum | 0.6–1.0 mm | 55% Aluminum-Zinc Alloy Coating + Polyester/PVDF Coating | Lightweight and salt spray resistant, suitable for coastal areas |
| Galvalume | 0.45–0.8 mm | Zinc Layer (Z275-Z600) + Organic Coating | Highly corrosion-resistant, cost-effective, suitable for most climates |
| Galvanized | 0.5–0.8 mm | Anodized or Fluorocarbon Coating (Kynar 500®) | Economical and durable, suitable for low-corrosion environments |
| Copper | 0.6–0.8 mm | Natural Oxidation to Form Patina | Extra-long lifespan (100+ years), aesthetically pleasing, no coating required |
| Titanium Zinc | 0.6–0.8 mm | Pre-Weathering or Natural Oxidation | Self-healing properties, lifespan 80+ years, environmentally friendly material |
Panel Dimensions
| Parameters | Standard Range | Remarks |
| Panel width | 180–500 mm (effective coverage width) | Adjustable based on rib height and overlock method |
| Seam height | 25 mm，32mm | Double-lock is typically higher |
| Panel length | Custom sizes (up to 13m, no transverse seams) | Reduces seams and lowers the risk of leakage |
| Thickness tolerance | ±0.02 mm | Complies with ASTM A924/A755 standards |
Performance
- Wind pressure resistance: ≥3.0 kPa (resistant to typhoons/hurricanes)
- Waterproof rating: IPX7 (fully rainproof)
- Fire rating: Class A (non-combustible)
- Coefficient of thermal expansion: Aluminum: 23.1×10⁻⁶/℃; Steel: 12×10⁻⁶/℃
- Solar reflectance: ≥0.65 (cooled roof coating)
Attachment System
- Concealed Clip: Made of stainless steel or aluminum alloy, allowing for panel expansion and contraction to prevent perforation and leakage (key leak-proof design).
- Seam Locking Method:
-Single-Lock: Economical, for low-slope roofs.
-Double-Lock: Higher waterproofing, for harsh climates.
- Fasteners: Self-tapping screws (plated or stainless steel), spacing 300–600 mm, requires EPDM gasket for waterproofing.
Accessories
- Waterproof Underlayment: Self-adhesive modified bitumen membrane or synthetic polymer roll material is recommended.
- Flashings（Standing Seam Trims）: Custom-made to the same material to ensure seamless drainage.
- Ventilation System: Can be used with ridge vents or eaves mesh.
- Snow Protection System（Metal Roofing Snowguards）: Snow guards are required in snowy areas.
Installation
- Minimum slope: 1:12 (approximately 5°), lower slopes require enhanced waterproofing.
- Deck: OSB/plywood (≥15mm) or metal purlins (spacing ≤600mm).
- Expansion joint spacing: Aluminum/zinc alloys should have a joint every 15m, steel alloys every 30m (to avoid thermal deformation stress).
- Tools: A dedicated seamer is used to ensure tight joints.
Why Choose Us?
Cutting-edge manufacturing technology ensures consistent quality
Customizable solutions to meet specific project requirements
Extensive engineering expertise for optimal roofing performance
Comprehensive support from design to installation
Project Cases
We have successfully completed numerous large-scale standing seam metal roof panels projects across various industries.
Factory Strength
Our three state-of-the-art factories house 7 production lines and over 40 advanced machines, ensuring high-quality output.
Packaging
We offer secure packaging and efficient logistics solutions to ensure timely delivery of your product systems.
Qualification Certification
Our products meet international standards and are backed by ISO, CE, and SGS certifications.
FAQ
Q: Is the cost of a standing seam roof very high?
A: From an initial investment perspective, it is higher than traditional materials. However, from a total life-cycle cost perspective, its extremely long service life, very low maintenance costs, and energy-saving characteristics make it a highly cost-effective choice.
Q: How long does the installation cycle take?
A: Due to the long panels and quick installation, the construction cycle is usually shorter than that of traditional roofs. The specific time depends on the project area and complexity.
Q: Can you provide custom colors?
A: Yes, we offer a variety of standard color cards and also support customization based on your RAL or Pantone color codes.
Q: What is your warranty policy?
A: We offer a 20-30 year warranty on the panel materials and guarantee the performance of the entire system.
Contact Us
For inquiries about our standing seam metal roof panels systems, please email us at huafeng@hfmetalroof.com.
