Snap-Locked Standing Seam Roof Panel

Standing seam metal roof panels use hidden clips, so there are no holes through the panels. That avoids leaks and sealant aging, which are common problems with screw-fixed panels. Standing seam metal roofing systems feature a concealed fastener design that provides watertightness, and they are suitable for various building types.
The alloy's good formability enables the production of custom-shaped profiles, including fan-shaped, curved, and other non-standard configurations. It can meet your specific need including the aesthetic and long-term durability needs of modern metal roofing designs.
These panels are widely used in large-scale metal roofing projects, spanning stadiums, airports, high-end industrial facilities, iconic urban landmarks, and civil buildings.
Specifications
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YX65-300 |
YX65-400 |
YX65-430 |
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Seam Height |
65 mm |
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Effective Cover Width |
300 mm |
400 mm |
430 mm |
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Developed Width (Raw Material Width) |
≈472–475 mm |
≈570–575 mm |
≈600 mm |
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Aluminum Sheet Thickness |
0.7–1.2 mm (0.9 mm commonly used) |
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Material |
Aluminum-Magnesium-Manganese Alloy |
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Surface Finish |
PVDF Coating, Polyester Coating, Mill Finish |
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Panel Length |
Customizable (transport length limit recommended) |
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Seam Method |
360° Mechanical Interlock (Standing Seam) |
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Advantages

- Waterproofing: 360° interlocking prevents water leakage through fastener holes.
- Deformation Resistance: 65mm standing seam offers good section modulus, providing reliable resistance to wind and snow loads; sliding support design avoids tearing due to thermal expansion/contraction.
- Formability: Can be curved on site, suitable for spherical, conical, single‑curve, and double‑curve roof shapes.
- Durability & Corrosion Resistance: Made of aluminum‑magnesium‑manganese alloy 3004 with PVDF fluorocarbon coating, ensuring long‑term weather resistance and anti‑corrosion properties.
- Low‑slope Applicability: Generally recommended for slopes ≥10°; steeper slopes are suggested for heavy snow areas.
300/400/430 Comparison
|
Profile |
Features |
Recommended Applications |
|
65-300 |
Narrow panel with more seams; best adaptability for curved surfaces and superior wind uplift resistance |
Complex curved/arched roofs, coastal zones with high wind pressure, fan-shaped panels |
|
65-400 |
Balanced performance; the most widely used profile with fully mature supporting accessories |
Primary panel for standard long-span roofs |
|
65-430 |
Wider panel with fewer seams; fast installation and highest material utilization rate |
Large flat roofs for cost-effective construction |
FAQ

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