Before installation, make sure you've figured out where exactly you're going to put panels on the roof. Make and check all the necessary measurements. Keep in mind that in the USA solar panels produce the most energy when facing south at an angle between 30 and 45 degrees
. Panels better not be overshadowed.
Solar panels are typically attached to the roof with screws or adhesives. The way you'll do it depends not only on your personal preference, but also on the type of panels you've chosen, shape of your RV's roof and its material. Of course, nobody forces you perform the installation yourself – call for professional help if you feel you need to.
Flexible thin-film panels are typically attached to the roof with an adhesive. However, it is better when there is some empty space between a panel and the roof – ideally 6 inches. Panels heat up under the sun, which lowers their efficiency and contributes to heating up the whole vehicle in summer. If air can circulate underneath, it naturally cools panels down.
Rigid polycrystalline or monocrystalline panels usually rest on mounting brackets, which require drilling. Here are some popular options: