This rubber block from Van der Valk with the Van der Valk product number VDV-729627 is used for mounting solar panels on a flat gravel roof.

The VDV-729622 rubber feet are placed on this block and then weighted down with ground blocks (VDV-7506303045 and VDV-7506301545).

The rubber block cannot be seen in the videos, but can be seen in the Van Der ValkPro-L10 installation instructions on page 27.

Van Der Valk flat roof installation - ValkPro+ L10 South

Van Der Valk flat roof installation - ValkPro+ L10 East-West

Click here to view all installation videos for a better understanding of the Van Der Valk mounting 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.