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Trapezoidal Roof Clamps — Secure Solar Mounting on Trapezoid Metal Roofs

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Description

 

Solar mounting clamps for trapezoidal corrugated metal roofs. Fixed-angle clamps contour to the rib profile with EPDM gaskets; adjustable brackets offer height and lateral fine-tuning with rubber padding and 3M adhesive. Corrosion-resistant, no drilling required. Factory direct.

 

Overview

 

Trapezoidal metal roofs are one of the most common surfaces for commercial and industrial solar installations. Our trapezoidal roof clamp series provides two proven mounting solutions for this roof type:

Fixed-angle clamps are precision-formed to match the trapezoid rib profile. They straddle the rib and are secured with bolts on both angled faces, with EPDM gaskets protecting the roof surface. Adjustable brackets offer height and lateral fine-tuning through slotted connections, and feature rubber padding plus 3M adhesive for secure, weld-free fixing on the rib.

 

Both types are manufactured from corrosion-resistant metal and mount directly onto the roof profile without drilling or penetrating the roof sheet, preserving the roof's waterproof integrity. They provide a solid, level base for PV rails and panels on any trapezoidal roof system.

 

Key Features

 

Two types for every need

  • — fixed-angle clamps for standard rib profiles; adjustable brackets for flexible positioning

 

Profile-matched design

  • — clamps contour to the trapezoid rib for a stable, secure fit

  

Waterproof protection

  • — EPDM gaskets (fixed-angle) and rubber padding (adjustable) protect the roof surface and prevent water ingress

 

No drilling, no penetration

  • — clamps fix to the rib without puncturing the roof sheet, preserving waterproof integrity

 

Adjustable (optional type)

  • — crossed-slot design allows height and side-to-side adjustment for level rail installation

  

Adhesive fixing option

  • — 3M double-coated tape on padded feet for quick, secure bonding

 

 Strong & corrosion-resistant

  • — stainless steel / aluminum construction for long-term outdoor service

 

 Fast installation

  • — pre-assembled design reduces on-site labor time

 

Product Range

 

Type

Description

Fixed-angle clamp (2-piece)

Two U-shaped clamps straddle the rib, 2 bolts each side + separate rail-mount plate with slot

Fixed-angle clamp (1-piece frame)

Single rectangular frame with 4 bolts + EPDM gasket + rail-mount plate

Fixed-angle clamp (extruded base)

Extruded aluminum base with angled wings and top plate for rail mounting

Adjustable bracket

L-bracket + welded base with crossed slots for height/lateral adjustment, padded feet with 3M tape

 

Technical Specifications

 

 Parameter

Specification

Material

Stainless steel / aluminum alloy [CONFIRM]

Finish

Matte brushed / sandblasted

Fixed-angle type

Profile-matched to trapezoid rib, bolts on both angled faces, EPDM gasket [CONFIRM: rib size]

Adjustable type

Height + lateral adjustment via slotted connection, rubber padded feet [CONFIRM: adjustment range]

Adhesive (adjustable)

3M double-coated tissue tape (e.g., 9448A) [CONFIRM]

Rail connection

Mounting plate / top plate with slot, accepts standard PV rails 

Roof compatibility

Trapezoidal corrugated metal (color steel) roofs

Installation

Clamp-on, no drilling or roof penetration

Operating environment

Outdoor, UV & weather resistant

Packing

50 pcs/carton

 

Applications

 

  • Mounting solar panels on trapezoidal metal roofs
  • Commercial and industrial rooftop PV systems
  • Solar carports and canopies with trapezoid decking
  • Retrofit solar projects on existing metal roofs
  • Roofs where drilling or penetration must be avoided

  

Quality Assurance

 

Each clamp is manufactured under strict quality control to ensure precise profile matching, consistent gasket placement, and durable surface finish for reliable long-term performance.

  

Customization & Packaging

 

Types:

  • fixed-angle and adjustable versions available individually or as a set

 

Sizes:

  • multiple rib-profile sizes and rail configurations

 

Packaging:

  • bulk cartons or custom retail packaging

 

OEM/ODM:

  • custom packaging and branding available

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