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Solar panels on trapezoidal or sandwich roof

Project featuring the ValkPitched clamping system for solar panel installation on a trapezoidal roof
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Trapezoidal and sandwich roofs are often seen on industrial halls and industrial buildings. 

Installing solar panels on this type of roof is quite possible, but you must use the correct attachment. This prevents leakage and ensures a safe installation. 

Important when installing on trapezoidal and sandwich roofs

When installing on these roofs, you should pay attention to: 

  • Rib mounting: mount on the high wave and prevent deformation and leakage  
  • Waterproofing: use screws or rivets with sealing and avoid moisture problems  
  • Type of roof sheet: check profile height and panel thickness. This determines your choice of system  
  • Span: take into account the distance between ribs. This determines placement of profiles  
  • Load-bearing capacity: check whether the structure can handle the extra weight 

ValkPitched – Trapezoidal | Clamp

Side View Valkpitched Trapezoidal Landscape Clamp
  • This system works with short profiles (mini-rails) that you attach directly to the roof plate. 
  • Quick assembly with screws or rivets  
  • Less material needed  
  • Flexible on large roof surfaces  
  • Waterproof attachment  

Suitable for quick installation on industrial roofs. 

ValkPitched – Trapezoidal | Insert 

3D rendering of the ValkPitched Insert Trapezoidal Landscape mounting system for solar panels on a trapezoidal roof
  • With this system, you slide solar panels into U-profiles. 
  • No panel clamps required  
  • Quick and tension-free installation  
  • Sleek finish  
  • Suitable for larger spans  

Ideal for large projects with many panels. 

Benefits for installers

Both systems have been developed with installers in mind and offer: 

  • Fast and efficient assembly with little material  
  • Flexible use at different profile heights and roof types  
  • Suitable for landscape and portrait setups  
  • Good alignment and neat finish of the installation  
  • Reliable fastening with correct placement and span  
  • Suitable for large projects with many panels 

Frequently Asked Questions

Is your question not listed? Contact us for tailor-made advice. 

By using screws or rivets with sealing and correct mounting on the rib.

Yes, both setups are possible, depending on the system and the roof.

Yes, both systems are suitable for trapezoidal and sandwich roofs.

The systems are suitable for most standard and larger solar panels.

Customer talking

'We believe that a screw system is the strongest way to mount structures on pitched roofs, which is why we’ve chosen the Smartline system from Van der Valk Solar Systems.'

Mast-ProjectZ Solar Works

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