This plastic pin in black from Van der Valk with the VDV product number: 733020 can be attached to the bottom of the aluminum frame of the solar panels to hook the solar panels into the aluminum profiles. This makes installation much easier and gives the overall construction additional stability.

Watch the installation videos for a better understanding:

Click here to watch all installation videos for a better understanding of the Van Der Valk installation systems and find the right system for your roof type.

You can also use the Van Der Valk planning tool to calculate your required components and you can view the installation instructions in the download section.

You can also consult our solar guide on common questions such as:

1. costs and income - Are solar installations in Switzerland worthwhile?

2. subsidies - Will my system be subsidized by the state?

3. steps to the solar system - Which individual points do I need to tick off?

And many more.