thank you very much you explained it in a way i totally understand!!!yes im using aeropoxy 2032 and its very straight and smooth!!! i just didn't know about putting all the layers on at once!!! and i couldn't figure out how the peelply keeps from sticking and not coming off!!! thanx Again Randy
>From: Larry&Sallie Flesner <fles...@verizon.net> >Reply-To: KRnet <kr...@mylist.net> >To: KRnet <kr...@mylist.net> >Subject: Re: KR> question about glassing >Date: Mon, 15 Jan 2007 08:19:57 -0600 > > > >Ok i have replaced a couple foam blocks in one of the wings and have put >on1 > >layer of glass!!!do i wait for it to dry before i put on a second layer > >on!!! and also when i put on the peelply do i put epoxy on the top of it > >and squeegy it off like the glass!!! seems like the peelply would be hard >to > >get off!!! i really dont under stand that part of it!!! thanx Randy >++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ > > From you post I'm assuming you're using epoxy resin. If so, it really >doesn't matter that much. I'm sure your first layer is cured by now >so remove any peel ply, if applied, and lay up the next or final layers >and then cover with peel ply if you want. The peel ply is simply laid >on top of the wet glass and "dry brushed" until it takes on a wet >appearance. That is the peel ply soaking up the resin from the >glass and will help to give a finish that requires much less fill and >sanding. When the epoxy is cured you simply grasp the peel ply >at one edge and peel it off. Wait for the epoxy to totally cure before >removing the peel ply or you will mess up the glass. For multiple >layers of glass the general procedure is to apply all layers of glass >in a single application, one layer at a time of course, making sure >that each layer is totally wetted out before the next layer is applied. > >With epoxy I don't see a need to do a lot of sanding between layers. >Just sand down any bumps, prickly edges, and the like. I've never >had a problem with the new lay up sticking to the cured layer of >glass. The surface is rough enough for the new epoxy / glass >layer to adhere and you only finish the top layer anyway. No need >to sand each layer smooth. If you do any sanding, don't sand >though any layer of glass. It only weakens the lay up. Do try to >make each layer as flat as possible to eliminate any humps >and bumps that will require fill and sand to finish. In cases >where I would add another layer of glass to an already cured >layer that I had to sand a bit, my preferred method to clean the >glass was just a real good vacuum to remove dust and not apply >any chemical cleaners. Use your best judgement. > >If you are using Vinyl ester resin, the whole thing changes and >I really can't advise as I've never used it. The Vinyl ester cures >with a "wax" finish that must be removed before adding additional >layers. If that's the case, other will have to advise on the best >procedure. Good luck. > >Larry Flesner > > >_______________________________________ >Search the KRnet Archives at http://www.maddyhome.com/krsrch/index.jsp >to UNsubscribe from KRnet, send a message to krnet-le...@mylist.net >please see other KRnet info at http://www.krnet.org/info.html
