Polyurethane Paint Bottomside? - SailNet Community
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post #1 of 20 Old 02-13-2012 Thread Starter
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Polyurethane Paint Bottomside?

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?
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post #2 of 20 Old 02-13-2012
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Its lifts if you leave it in the water a bit to long

Even shrinkwrap will lift it from the topsides if water gets between it and the wrap

The bottom is normaly epoxy that is rated for underwater

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If a dirty bottom slows you down what do you think it does to your boat
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post #3 of 20 Old 02-13-2012 Thread Starter
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Should I use epoxy paint on just the bottom, or should I paint the topsides too with the same stuff? Any recommendations on the paint brand?

Thanks!!
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post #4 of 20 Old 02-13-2012
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What kind of boat do you have, and what is the current condition of the bottom? Painted, bare?

The epoxy that's used on bottoms is not suited for topsides. It looks like bottom paint.

Paints that are good for topsides, are likely to lift off if you use them below the waterline.

Maybe someone's aware of a gloss paint that'll work below the waterline.

But...help us out with kind of boat and current bottom condition and more ideas will likely be forthcoming.
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post #5 of 20 Old 02-13-2012 Thread Starter
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Its a US 25. The bottom is half worn off antifouling paint. Im planning to completely sand this off. And didnt wanna put ugly bottom paint back on.
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post #6 of 20 Old 02-13-2012
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Look at Petit Vivid series bottom paint.

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post #7 of 20 Old 02-13-2012 Thread Starter
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Ill check that stuff out. What about acrylic enamel? Will that work under water?
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post #8 of 20 Old 02-14-2012
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Durepox is the stuff BUT i dont want to give you a stroke on the 400+ dollar a gallon price

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post #9 of 20 Old 02-14-2012
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If it's dry sailed almost any topside paint will work. My boat is left in the water. I used garage floor polyurethane on my topsides and boot stripe 4 years ago and it's still perfect. The boot stripe is half in the water all season long. Don't over think it.

I sail.
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post #10 of 20 Old 02-14-2012 Thread Starter
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Sweet. What you said is what i was thinking. I just wanted someone else to say it. The longest she would be in the water is a long weekend. Polyurethane is cheap and looks great. So thats what ill do.
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