Where repairing the wood skin, use wood. Then if you want to put a light layer of glass over it, that will be good. For fiberglass skin, I would do exactly what you are planning.
See N64KR at http://KRBuilder.org - Then click on the pics See you at the 2011 - KR Gathering in Mt. Vernon, Il - MVN There is a time for building and it never seems to end. Daniel R. Heath - Lexington, SC -----Original Message----- I plan to repair the skin damage by using a hole saw or similar to cut out the fractured skin, glue in a plug of foam and then use fibreglass with epoxy resin to repair the skin.