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I'm jumping in on this late, so forgive me if I'm off track ..I just saw the reference to 404/414 Barrier Kote from Interlux, my favorite primer, and it looks like there's some controversy on what it is. The reason that it's called Epoxy Barrier Kote is because some coatings, paint that is, get unhappy with leftover amines and what not on cured epoxy. To paint the epoxy with such a paint, alkyd enamels for example, you need to sand, wash, and prime the epoxy with an appropriate barrier coat that sticks well to epoxy and provides a good substrate that he paint also sticks well to. The Interlux 404/414 Barrier Kote (stinky but good) makes a very good primer for protecting paints from epoxy chemistry that might still be on the boat, and it's very high body (hides defects) and sands well too. Like I said, stinky but good. Keep the doors open. Brian D "Robert or Karen Swarts" wrote in message ... Just for the record, Jim, the can is labeled Epoxy Barrier-Kote. And the catalog describes is as suitable for above or below water applications. The directions also state that it must be thinned. Thanks for your thoughts. BS "Jim Conlin" wrote in message ... Interlux 404/414 is not a barrier coat. It's a sandable primer whose function is to provide a tie coat between sime substrate and an impervious finish coat such as an LPU paint. If applied as directed, it's just loaded with expensive solvents and is consequently pretty porous. Useless under bottom paint. If you are using it as a primer under finish paint and not under bottom paint, go for it. I'd try acetone. Let us know your result. "Robert or Karen Swarts" wrote in message ... Can I successfully use acetone to thin epoxy barrier coats? I am thinking of Interlux 404/414 in particular, but the question is also a general one. I am aware that there are proprietary products for this application, but I need to paint tomorrow morning, and the nearest dealer is about 60 miles away. Bob Swarts |
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