Gelcoat won’t stick to epoxy, so unless you intend to repaint the boat in the near future don’t use epoxy.
Dennis C can wade in on the subject, but in my experience it will take just about the same amount of time to do a patch with epoxy as it will to do a repair with polyester and gelcoat…. So why do it twice? I recently did repairs on a C&C 29 that had a long (but shallow) gash in the topsides, a spot where the port stern cleat had been torn out of the deck and a shoddy attempt made at a repair, and two areas in the deck where lifeline stanchions had done damage resulting in a leak. In all I had about 6-7 hours of grinding and glass work to lay up patches and restore the gelcoat spread over 4 days, with more than half of the time spent in matching, applying, and smoothing out the gelcoat. Do the job once, but do it right. Rick Brass Washington, NC From: CnC-List [mailto:cnc-list-boun...@cnc-list.com] On Behalf Of Josh Muckley via CnC-List Sent: Sunday, July 05, 2015 3:59 PM To: C&C List Cc: Josh Muckley Subject: Re: Stus-List Damage to fibreglas Ken's statement is my understanding also but aside from the possibility that a gelcoat finish won't adhere, I can't understand why anyone would use polyester OR vinylester resin for a repair. Besides when you go to do the job right you're going to grind out all the epoxy anyway to feather in a proper layup. Josh Muckley S/V Sea Hawk 1989 C&C 37+ Solomons, MD On Jul 5, 2015 3:23 PM, "Ken Heaton via CnC-List" <cnc-list@cnc-list.com <mailto:cnc-list@cnc-list.com> > wrote: I think the recommendation to seal it out with epoxy is not a good idea unless the future repair is certain to be made with epoxy as well. As I understand it, the common polyester resin does not stick properly to epoxy, making more work for whoever does the later repair if they do the repair using polyester resin. Ken H. On 5 July 2015 at 15:31, Brent Driedger via CnC-List <cnc-list@cnc-list.com <mailto:cnc-list@cnc-list.com> > wrote: I would seal it with West Epoxy and if it's in a structurally important area I'd sand out a bevel and add a few layers of glass. It didn't need to be pretty. Cheers. Brent 27-5 Lake Winnipeg Sent from my iPhone On Jul 5, 2015, at 12:57 PM, Fred Hazzard via CnC-List <cnc-list@cnc-list.com <mailto:cnc-list@cnc-list.com> > wrote: I put a hole in several layers of fibreglas about a foot above the waterline in the side of my boat. As it may take some time before repairs are made, should I seal the glass to prevent water from getting in the layup? If so what should I use? Fred Hazzard S/V Fury Portland, Or _______________________________________________ Email address: CnC-List@cnc-list.com <mailto:CnC-List@cnc-list.com> To change your list preferences, including unsubscribing -- go to the bottom of page at: http://cnc-list.com/mailman/listinfo/cnc-list_cnc-list.com _______________________________________________ Email address: CnC-List@cnc-list.com <mailto:CnC-List@cnc-list.com> To change your list preferences, including unsubscribing -- go to the bottom of page at: http://cnc-list.com/mailman/listinfo/cnc-list_cnc-list.com _______________________________________________ Email address: CnC-List@cnc-list.com <mailto:CnC-List@cnc-list.com> To change your list preferences, including unsubscribing -- go to the bottom of page at: http://cnc-list.com/mailman/listinfo/cnc-list_cnc-list.com
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