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Polyurethane on Acrylic Paint

Hi,

I recently painted a design in acrylic paint on a piece of maple wood that will eventually be subject to elements such as UV, weather, foot traffic, etc. I've heard that marine polyurethane is the way to go to protect this sort of project, but I'm having a heard time finding one that is water-based and would not smear my acrylic paint. Is any water-based polyurethane (I've found some with UV protectant) going to do the job?

Also, what are the benefits/features/differences of matte, satin, and gloss?

I've found quite a few water-based polyurethanes at this site:

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Any other suggestions for this project are greatly appreciated.

Cheers, A

Reply to
funkypandamonium
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Have you thought of checking marine supply websites, Boatersworld.com and WestMarine.com come to mind. They are probably the best source for quality marine grade finishes. As for poly, you might want to consider looking at more of a varnish for your application. Boaters World sells Pettit Z-Spar Flagship Varnish, which is what you will find a number of boat minded folks (OK, I am one of them, I have a 24' Sea Ray) using on their teak for max protection. I've never tried this on acrylic paint, so I can't attest to what it will do, but the staff at either of these stores would be the best source of information. I believe Boaters World has a livechat on their website for a quick answer.

Reply to
marc

On Jan 28, 10:11 pm, JoanD'arcRoast > protect this sort of project, but I'm having a heard time finding one

You provided a brief description of how it is going to be exposed, but what it actually is could help in determining a finish. Some of the epoxy resin coats might be what your looking for such as this one

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On the other hand, if you are creating some time of "stepping stone", this wouldn't work. Also, some poly's will begin flaking, turning yellow, and fading in direct sunlight. It might help if you give us an Idea of what use it will be seeing. JD

Reply to
JD

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