At 07:15 PM 9/4/2008, Joy Hecht wrote...
>Does anyone have suggestions for how to do this?  Ideally I'd like to
>put in
>a metal plug the dimensions of the hole (5/16") and the depth of the
>fiberglass.  But I'm guessing a fiberglass plug, or one of some other
>material, might be more realistic.

I would use JB Weld. Some tape on one side, fill the hole from the
other side, let it set, then sand both sides smooth. JB Weld will flow
when freshly mixed, so you might want to mix it, then let it sit until
it gets a little stiff.