Just to be sure there’s no ambiguity, do NOT put a layer of peel ply down and then glass over it. Peel ply will prevent your fiberglass from adhering to the foam surface, and it will delaminate.
Cotton flox mixed with epoxy will fill the surface, but it’s heavy. So will glass microballoons. Ideally, bring your foam surface up as close to shape as possible, then use micro. Dave > On Oct 30, 2022, at 5:13 PM, Michael Quinn via KRnet <krnet@list.krnet.org> > wrote: > > I recommend a microslurry (micro balloons mixed with epoxy with the > consistency of mayonase/ or fluff (if you know what that is 😉 ) before laying > up fiberglass (done in the same layup). If you are not able to - put peel > ply (dacron) down and wet out. > > M. > From: KRnet <krnet-boun...@list.krnet.org> on behalf of Brett Lombardi via > KRnet <krnet@list.krnet.org> > Sent: Sunday, October 30, 2022 6:35 PM > To: KRnet <krnet@list.krnet.org> > Cc: Brett Lombardi <blombard...@gmail.com> > Subject: KRnet> Wing stubs > > Hi KR builders, > I’ve foamed in my wing stubs and wondering if I need to cover the foam with > anything before fiberglass, ie layer of micro balloons? Or just fiberglass? > Thanks, > Brett > N718KR > -- > KRnet mailing list > KRnet@list.krnet.org > https://list.krnet.org/mailman/listinfo/krnet
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