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polyurethane underwater

  1. Polyurethane Paint Bottomside?

    Gear & Maintenance
    Im looking for hull paint. It will be drysailed, so I would like something high gloss that could be used topside and bottom side. I want that Jboats, no-waterline look. Polyurethane would be perfect, but its called topside paint. So, what happens if you use that on the bottom?