Thor Forums

[macdaddy1111]

Originally Posted by Shawn

Hello everyone,

Any one know the size of the screws that I can use for the Thor Motorhome roof to mount the solar panel brackets? I don't know how thick the roof of the motorhome, and don't want use the screw too long to drive through the roof, also don't want use screws too short and can't holding down the panel well.

Thanks.

If you are still under warranty and you jack with roof, you kill your coverage. Have to have authorized shop install them to not void your warranty.

This is what I used when I had panels installed.

https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1