Ultimately how the solar panels are mounted is totally up to you and should also be based on your skill level and budget.
Gluing solar panels to rv roof with silicone.
Also we had a spot or two on our rubber roof that did not get enough contact glue when the rubber roof was put on at the factory.
Ultimately the best method will depend on the size of your rv the amount of space you have to work with and the size of your solar panel system.
This could pull up even if the 3m was stoutly stuck to the top of the rubber roof.
There are many ways to mount solar panels on your rv.
Learn how to mount a semi flexible solar panel on an rv so it s easily removable has an air gap for cooling and requires no drilling into the roof.
Not wanting to drill holes in my rv s roof i glued a 50 watt solar panel to it with gorilla construction adhesive found at most hardware stores.
Apply sika primer 206 g p in a light uniform coat using a brush or foam applicator and set aside for anywhere from 30mins to 24 hours depending how busy you are.
This prewired for solar rv included the installed charge controller but it did not have any solar panels installed from the factory.
Then apply your spacer tape 4 mm to 5mm thick to the primed area ensuring it is stuck down well.