spraying poly over wet brushed poly - Woodworking Talk - Woodworkers Forum
 
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post #1 of 8 Old 07-10-2014, 11:11 AM Thread Starter
Dan Gallagher
 
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spraying poly over wet brushed poly

Am I headed for trouble? I started to brush on my third coat of poly on a project that has a lot of hard to reach places. I got impatient and pulled out a spray can of poly and finished the job. Got to thinking about the drying times for the different products. Am I headed for trouble?
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post #2 of 8 Old 07-10-2014, 01:11 PM
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I think if you were headed for trouble you would be there by now. I would anticipate solvent incompatibilities to be the main problem, and to rear their heads pretty instantly. What poly's were you using and how did it go?
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post #3 of 8 Old 07-10-2014, 01:30 PM Thread Starter
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Used Minwax clear satin. seems to be doing OK
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post #4 of 8 Old 07-10-2014, 02:47 PM
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If your brush on is still wet, and you don't overload the spray application, it should dry OK.






.
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post #5 of 8 Old 07-10-2014, 03:56 PM
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Cool

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Originally Posted by Dan Gal View Post
Used Minwax clear satin. seems to be doing OK
Cool, Experimentation is often quicker than research, and sometimes works just as well too. And let's be honest, experimenting is fun sometimes too.
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post #6 of 8 Old 07-10-2014, 03:57 PM
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Quote:
Originally Posted by Dan Gal View Post
Am I headed for trouble? I started to brush on my third coat of poly on a project that has a lot of hard to reach places. I got impatient and pulled out a spray can of poly and finished the job. Got to thinking about the drying times for the different products. Am I headed for trouble?
At this point the only thing you can do is let it dry and see. If the finish dries hard you are probably alright. The biggest difference in the two products is the solvents. Had the brush on poly been dry the acetone in the rattle can finish might have lifted the finish. I would probably let is sit for 48 hours before proceeding.
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post #7 of 8 Old 07-10-2014, 04:15 PM Thread Starter
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Thanks to all. So far so good. Looks like it'sdrying fine.
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post #8 of 8 Old 07-10-2014, 08:58 PM
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I've never had an issue with it. As a matter of fact, that's actually what I do to get the best finish out of poly. Brush on to build up, wet sand to level the finish and then spray a few coats to get a nice gloss, works great for me and saves on rattle cans. An important thing to note is I stock with the same brand and style finish, minwax gloss in my case
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