My side deck recore was the result of poor chainplate sealing and leaking genoa track bolt holes.
An ounce of prevention!!
--- In firstname.lastname@example.org, Jeffrey Kuthy <jeffkuthy@...> wrote:
> If you used almost two gallons of resin, it sounds as if you did get
> alot of wetout with the balsa.
> I have come to the conclusion that the core on my 9.6 was repaired in
> the 90s from the underneath without proper wetout of the topside of the
> balsa prior to glassing it into place from the bottom. Balsa core gains
> strength from absorption of the resin that is applied to it. With help from
> gravity the resin bleeds down into the balsa pores, giving the core great
> strength and minimizes the chance of water entering from the topside of the
> core. The water was introduced to the balsa core because of faulty
> thru-bolting and wood screws that exposed the unprotected core. If there
> are voids of resin coverage in the balsa core and it is exposed to water,
> it will swell as it sucks up the moisture. Eventually rot and cracks form
> in the gelcoat and outer glass from the swelling and weakness.
> I really appreciate your replies.
> Thankyou very much!
> Jeff K.
> Sent with AquaMail for Android
> On August 17, 2013 9:18:18 AM jeff kuthy <jeffkuthy@...> wrote:
> > TIm,
> > Thanks for the info.
> > Â Â Â Â I do have one question though.
> > Â How did you get the top side of the balsa core saturated with resin prior
> > to installing it with thickened epoxy?
> > Thanks
> > Jeff K.
> > ________________________________
> > From: Tim Malcolm <tim@...>
> > To: email@example.com Sent: Friday, August 16, 2013
> > 11:55 PM
> > Subject: CYOA - Re: My plan to replace the core of my 9.6 cabin top with
> > PurpleHeart
> > >
> > Â > I do not remember who posted it but there was one of the group around
> > > a year ago who did a major rebuild like you are talking about. He took down
> > > the whole cabin header and redid the inner layer from the bottom and then
> > > put a new header over that looked fantastic. When he did the job he posted
> > > a lot of pics and descriptions of how to do everything he did as well.
> > I did a side deck from inside the cabin a few years ago. Similar to what
> > Geoff described, but never got around to covering things up with a new
> > header. It wasn't that difficult really, just awkward and labor intensive.
> > The original posting is here:
> > http://groups.yahoo.com/group/columbiasailingyachts/message/119286
> > and pics are in this album:
> > http://groups.yahoo.com/group/columbiasailingyachts/photos/album/1784889769/pic/list?mode=tn%c3%a2%c2%88%c2%a8der=ordinal&start=21&count=20&dir=asc
> > --Tim