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I had paint problems once using System-3 and Interlux paint. I ended up using a primer formulated for epoxy and that took care of it.
After switching to MAS and Pettit, I have always used the primer and not had a problem. As Mike pointed out, it's a good idea to wash off the blush before sanding, but even that didnt work for me. Try Pettit's primer next time. If you want, I'll post the product number, I think I still have some in the shop. Be sure to use the same brand of primer as paint.
> This seems like a great website. I built a CLC "pocomoke" under
> humid comditions, (Interrupted by hurricane georges). This is an okoume
> plywwod coated with epoxy resin technique. I used a Pettit epoxy paint for
> the hull. It6 had sat a good long while and was well sanded before I
> painted it. (To get rid of any "amine bloom". But after a while
> the paint developed blisters in places. So after a year I sanded it down
> again and repainted it with an oil base marine paint. But it still seems
> to want to blister in a few places. The ply seemed well sealed, and it
> hasn't been out in the sun or anything...I'm wondereng what I did wrong.
> Could it be residual moisture in the plywood? would welcome any tips
> anyone has on this subject--thanks!
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Guillemot Kayak - High
Performance Wooden Sea Kayak Designs
