This Van der Valk aluminum coupling piece for the "Side++ profile" with the Van der Valk product number 724863 with hammerhead screw M8x20 mm is absolutely ideal if you want to connect your aluminum profile rails and thus achieve the right rail combination for your installation. Aluminum is a rust-free and weather-resistant light metal.

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.