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The wave-shaped roof clamp is specifically designed for wavy corrugated metal roofing sheet. Its curved bottom surface conforms to the roof profile, and it works with self-tapping screws to connect to the purlins, ensuring a stable installation for the solar module. Made of aluminum alloy, it is weather-resistant, durable, and easy to install.
Color :
Natural silver/ black（Colored according to customer requirements）Certification :
ISO，SGS，CEMaterial :
Anodized Aluminum 6005 T5, Stainless Steel 304Product Origin :
Tianjin, FujianShipping Port :
Shanghai, Ningbo, Tianjin, Xiamen, Shenzhen ports
Product Description
The wavy roof clamp is a photovoltaic mounting solution specifically designed for wavy metal roofing sheet roofs. Wavy corrugated metal roofing sheets are characterized by continuous, rounded curves between crests and troughs, commonly found in old factories, warehouses, and carports.
The clamp's bottom is designed with a curved surface that perfectly conforms to the wavy crests of the corrugated metal sheet. Stainless steel self-tapping screws penetrate the clamp's base plate and the corrugated steel sheet, securely driled it to the steel purlins of the roof below. This safely transfers the load of the photovoltaic modules to the main building structure, ensuring the entire photovoltaic system has excellent wind and snow resistance.
Product Components
Advantages
▶ Conformal Fit, Uniform Stress Distribution
The bottom curvature of the clamp matches the crest of the corrugated tile, after being designed for the specific dimensions of the wavy shape of roof.
▶ Structural Safety, Strong Wind Resistance
The load is directly transferred to the purlins, capable of withstanding extreme wind, and is designed to meet photovoltaic power station safety standards.
▶ Easy Installation
Modular design requires only positioning, installing, and fixing the rails on-site, resulting in high construction efficiency.
▶ Durable Material
Constructed from 6005-T5 aluminum alloy, anodized for corrosion resistance, and an outdoor lifespan of ≥25 years.
Parameters
| Installation | Metal Roof |
| Wind Load | up to 60m/s |
| Snow Load | 1.4kn/m² |
| Tilt Angle | Parallel to Roof Surface |
| Module Orientation | Horizontal/Vertical, Flexible Arrangement |
| Applicable Components | Compatible with Framed and Frameless Photovoltaic Modules |
| Standards | GB50009-2012, EN1990:2002, ASCE7-05, AS/NZS1170, JIS C8955:2017, GB50429-2007 |
| Material | Anodized Aluminum AL6005-T5, Stainless Steel SUS304 |
| Warranty | 10 Years Warranty |
Applicable Scenarios
▪ Distributed PV power stations: Any industrial, commercial, or residential project using wavy metal sheets as roofing.
▪ Agricultural greenhouses: Greenhouses and livestock sheds with wavy corrugated steel sheet roofs.
▪ Temporary or simple structures: PV installation on wavy corrugated steel sheet roofs for carports, warehouses, etc.
Important Notes:
▶ Roof Type Confirmation
Always measure the crest shape dimensions, and curvature of the corrugated sheet beforehand. Select a clamp with a perfectly matching curvature; otherwise, it may not adhere properly or could damage the sheet surface.
▶ Purlin Targeting is Essential
Self-tapping screws must penetrate the roof sheet and be driven into the underlying steel purlin. They cannot simply be fixed to the sheet.
▶ Strict Waterproofing
EPDM waterproof washers must be installed at the self-tapping screw penetration point, and weather-resistant silicone sealant must be applied to the contact surface between the screw head and the clamp, and to the sorrounding of clamps.
▶ Torque Control
Do not use excessive torque when tightening self-tapping screws to prevent thread locking, stripping or stucking. Hex socket head cap screws must be tightened to the specified torque value to prevent loosening.
▶ Regular Inspection
It is recommended to check for bolt loosening and sealant aging every season or after storm, heavy snow, or other extreme weather.
Summary
The wavy clamp is a photovoltaic racking solution specifically developed for wavy corrugated metal roofing sheets. Its core design features an arc-shaped fit combined with self-tapping screws for secure mounting, safely transferring the load to the roof purlins and ensuring a stable installation of the solar panels.
When selecting corrugated clamps, matching the sheet type is paramount. They should be paired with stainless steel self-tapping screws and reliable waterproofing measures, and the installation torque requirements must be strictly adhered to.
Solar First Project Reference
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