Originally Posted by mn.roadking
I’ve been in the autobody business for over 40 years and fiberglass/paint/sun is not a good combo. Lay your hand on a painted surface in the sun and you will get the idea. That’s why full body paint is pretty but not a great option if your coach spends a lot of time outside. It can be sanded down, re-cleared if it is not metalic. Metalic paint will change color if sanded so it will need to be painted then cleared.
Why is paint & clear on a MH diffrrent than on an auto?
Even Vetts are fiberglass based and many auto panels these days are plastic so It can't be heat dissipation of metal panels??
There are also some boats that get painted over fiberglass & gel coat. They certainly see there share if sunshine.