I have heard of folks using spar varnish on them. Spar provide some UV protection where epoxy or polyester does not. Spar is used commonly on fiberglass fly rod restoration. Several coats with a light sanding in between.
Auto body clear coat in the rattle can would probably work as well, there are lots of composite car parts theses days.
Auto body clear coat in the rattle can would probably work as well, there are lots of composite car parts theses days.