If you use deck cloth and peel ply, when possible, you will have a lot less filler. Anyway, the filler does seem to stick. I have never had any fall out
There is a time for building and a time for flying, and the time for building has long since expired. See N64KR at http://KR-Builder.org - Then click on the pics Daniel R. Heath - Columbia, SC kr_...@kr-builder.org See you in Mt. Vernon - 2004 - KR Gathering See our EAA Chapter 242 at http://EAA242.org