Trapezoidal Sheet Metal Rail for Metal Roof Solar Mounting System
Product Description
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Material & Cost Efficiency |
| Short rails reduce aluminum usage, saving up to 30% on materials compared to full-length rail systems. |
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Fast and Easy Installation |
| Directly mounted onto metal roof ridges using self-tapping screws—no need for long spans or multiple connectors. |
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Built-in Waterproofing |
| Each rail is pre-attached with EPDM rubber strip, ensuring tight sealing and leak protection around screw points. |
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Low Profile Aesthetics |
| Sleek design minimizes wind resistance and offers a clean, non-intrusive look on rooftops. |
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Universal Fit |
Compatible with all major brands of framed solar panels and various metal roof shapes. |
Step1: Plan Layout
Based on module size and roof design, mark where short rails will be fixed
Step2: Position the Rails
Align the trapezoidal rails with the ridges of the roof panels
Step3: Drill and Fix
Use self-tapping screws to fix the rail to the metal sheet. The EPDM gasket compresses to seal the holes completely
Step4: Install Clamps
Use mid and end clamps to mount the solar panels onto the short rail
Step5: Grounding
Apply grounding lugs and bonding jumpers as needed
Step6: Final Check
Ensure rails and panels are aligned and securely fixed
| Faster Installation=Lower Labor Cost |
| Reduced Material Use=More Competitives Price |
| Integrated Waterproofing=Less Risk & Maintenance |
| Lightweight=Easier Shipping & Handling |
| Reliable Supplier=On-Time Delivery + Stable Quality |
Residential Homes with Corrugated Metal Roofs
Ideal for lightweight, low-visibility installations
Small-Scale Commercial Roofs
Lower installation cost and time for shops and warehouses
Off-Grid and Temporary Installations
Short rail design is perfect for mobile solar setups and portable buildings
Cost-Sensitive Projects
Especially suitable where budget and fast deployment are critical, such as in developing markets or community solar programs
Q: What is the difference between short rail and traditional rail systems?
A: Short rails (mini rails) require less material and are mounted directly under the panel at connection points, while traditional rails span the entire module length. Short rails are faster and cheaper but slightly less flexible in complex layouts.
Q: Does the EPDM really prevent leakage?
A: Yes, the industrial-grade EPDM strip forms a tight waterproof seal when compressed under screw pressure, preventing any water ingress through the roof.
Q: Can I use this rail with any solar panel brand?
A: Yes, as long as your panel has a standard aluminum frame (30–50mm), this rail works with all mainstream clamps and modules.
Q: Is it strong enough for snow-heavy areas?
A: When correctly spaced and installed, the system can withstand up to 1.4 KN/m² snow loads and 60 m/s wind loads.
Q: Can I install this system myself?
A: While possible for DIY users with basic tools, we recommend installation by trained professionals to ensure safety and compliance with local codes.
Product Attributes
Material List
| 1KW - Two Panels |
395mm Trapezoidal Rail
6 sets
End Clamp
4 pcs
Mid Clamp
2 pcs
| 2KW - Four Panels |
395mm Trapezoidal Rail
10 sets
End Clamps
4 pcs
Mid Clamps
6 pcs
| Detailed Product Information |
| Material | Anti-corrosive anodized aluminum ensures long service life. |
| EPDM Rubber | Factory-bonded to the rail base for consistent and effective waterproofing |
| Fixing Screws | Stainless steel screws with integrated rubber washers included. |
| Clamp Compatibility | Supports universal mid and end clamps. |
| Customization | Lengths, hole patterns, and anodization thickness customizable for volume orders. |