Fiberglass repair
I recently had a tire blow, and lost (among other things) a chunk of the fiberglass on the exterior wall of a slideout. The construction of the slide wall is a vacuum pressed sandwich of a fibergla...
Forum Discussion
I would talk to a few competent body shops and boat yards. I have had several areas repaired on my older motorhome, prior to having it repainted. It's been over a year and 20K miles, and there is no evidence of any issue. IMHO, I don't agree with your RV repair shop.
