Quote:
Originally Posted by InterBlog
A bit off your original question, but did you re-coat just the top surfaces, or did you also coat the undersides, and if so, with what product?
That's on my longer-term to-do list because it's just raw exposed fiberglass under there, and I thought that it might help preserve the structural integrity if it had a protective coating.
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Painting over gelcoat is easy enough, if done properly. Painting over the back side of fiberglass, especially fiberglass containing chopped-strand mat as opposed to the much better biaxial or triaxial cloth mat, is a lot more difficult.
Probably the best stuff to use on exposed glass mat for complete coverage as well as durability is truck spray-in bed liner material. Available in a variety of colors, but since it's under the van where only you and your mechanic will ever see, black works as well as anything.