Quote Originally Posted by rich grsc View Post
Have you looked at the underside of the body? It's already ruff, it's unfinished fiberglass. There is no chance the undercoat will come off. I hit mine with an air hose to blow off the dust, then coated it. It's not coming off, unless you grind it off.
Rich is exactly right. Once cured it is a (insert your derogatory swear word or phrase here) to remove, even by grinding. That's why I tell guys to hold it back from wheel openings or other areas that will be getting worked on during the bodywork process.

Jeff