SailNet Community - View Single Post - Bottom paint over Gel Coat without Barrier Coat?
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post #10 of Old 04-24-2008
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Maybe I'm mistaken, but I thought you said you either scraped or sanded off all the antifouling, and that the only thing remaining is some of the barrier coat, which you are going to sand smooth at the edges. If so, I think you can apply barrier coat over it all, and then apply your antifouling. If all the antifouling is gone, you don't need to do any sand or soda blasting.

On a previous boat, I removed all antifouling from the keel, and left some of the old barrier coat, and added new barrier coat over the old, and it worked fine.
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