Are you having a hard time year after year with the same spot? If so there is probably wax or mold release stuck in the Gelcoat. Unfortunately it get grounded in while sanding so you have to work hard to get it out/off. I would try cleaning with Interlux striper cleaner solvent 202 repeatedly. Then scuff, clean, feather, clean, scuff, clean, then ensure an 80 grit scuff and a final clean. At this point you could just paint with bottom paint and see how it goes. Or apply Interlux barrier coat (2000e??) according to the directions and then "hot coat" with bottom paint while the barrier paint is still "soft". The barrier coat has directions on the can for "hot coating".
Good Luck, Josh Muckley S/V Sea Hawk 1989 C&C 37+ -- When security matters. http://www.secure-my-email.com On Apr 16, 2013 10:26 PM, "Eric Frank" <efran...@mac.com> wrote: > A couple of areas (a few square inches) on the hull of Cat's Paw just > below the waterline are completely bare: no antifouling paint and no primer > either - just bare gelcoat. What do CC'ers recommend for a primer to coat > these spots? How many coats? And then what primer should go over that to > make a good base for the antifouling paint (I use Micron 66)? > > Eric Frank > Cat's Paw > C&C 35 Mk II > Mattapoisett, MA > > > _______________________________________________ > This List is provided by the C&C Photo Album > http://www.cncphotoalbum.com > CnC-List@cnc-list.com > >
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