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Woodturning (rec.crafts.woodturning) To discuss tools, techniques, styles, materials, shows and competitions, education and educational materials related to woodturning. All skill levels are welcome, from art turners to production turners, beginners to masters. |
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#1
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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: http://paint-and-supplies.hardwarest...r-finish-polyu... Any other suggestions for this project are greatly appreciated. Cheers, A |
#2
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Polyurethane on Acrylic Paint
On Jan 28, 5:00*pm, wrote:
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: http://paint-and-supplies.hardwarest...r-finish-polyu... Any other suggestions for this project are greatly appreciated. Cheers, A 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. |
#3
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Polyurethane on Acrylic Paint
In article
, wrote: 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? As a rule of thumb, Gloss in any finish is the toughest film; offers the most durable protection. To get satin and matte finishes manufacturers add materials {IIRC silica and such} to interfere with the inherently glossy surface of the cured film, making the paint or varnish coating somewhat weaker. [This was at least true in the eighties, not sure if science has marched on...] -j I've found quite a few water-based polyurethanes at this site: http://paint-and-supplies.hardwarest...r-finish-polyu... Any other suggestions for this project are greatly appreciated. Cheers, A |
#4
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Polyurethane on Acrylic Paint
On Jan 28, 10:11 pm, JoanD'arcRoast wrote:
In article , wrote: 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? 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 http://www.woodcraft.com/family.aspx?FamilyID=4140 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 |
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