Wipe on Poly Problems... - Woodworking Talk - Woodworkers Forum
 
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post #1 of 7 Old 08-29-2014, 02:56 AM Thread Starter
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Wipe on Poly Problems...

I purchased an old beat up dining table from a thrift shop. I stripped the old finish, sanded the wood down and coated with two coats of General Finishes Java Gel Stain. I let that sit for a few days, then started finishing with Minwax Wipe on Poly Satin (oil based). I have applied 6 coats so far. There are some very rough areas throughout the table top... they are not dust particles, but more raised patches of wood. These pieces look much duller than the rest of the table and feel very rough to the touch. Do I just keep applying layers of poly until it evens out? Do I try sanding the top of the table lightly to even it out? If I do sand,will it mess up the gel stain underneath? This is my first woodworking project, so I have NO experience with this!! Any help is greatly appreciated!
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post #2 of 7 Old 08-29-2014, 09:14 AM
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When I put on poly, I do a very light sanding with 220 between each coat. I'll put several coats of wipe on because it's thinned out so much. Good luck.
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post #3 of 7 Old 08-29-2014, 09:37 AM
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Not just poly, you sand most all finishes between coats. Any finish will raise the grain of the wood so it needs smoothing. Now, wipe on finishes are thinner than brush on so it needed at least three coats before the sanding was started anyway so with six coats you should be able to do a pretty good sanding before you continue. Just keep in mind it's better to sand and add more coats than sand through the finish.
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post #4 of 7 Old 08-30-2014, 02:34 AM Thread Starter
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Thanks for the feedback! I sanded with 220 grit sandpaper and applied 3 more coats and it made a huge difference. I plan to sand with 400 grit paper tomorrow and apply another coat or two.
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post #5 of 7 Old 08-30-2014, 08:58 AM
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If you are going to sand with 400 grit be sure to use water as a lubricant. It doesn't sand very well dry.
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post #6 of 7 Old 08-30-2014, 04:45 PM
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Quote:
Originally Posted by Steve Neul View Post
If you are going to sand with 400 grit be sure to use water as a lubricant. It doesn't sand very well dry.
I'd go with mineral spirits over water. Both work just fine but I've always found mineral spirit to reduce the paper loading a little better. If you do use water though, try adding a few drops of dish soap
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post #7 of 7 Old 08-30-2014, 08:23 PM
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Originally Posted by epicfail48 View Post
I'd go with mineral spirits over water. Both work just fine but I've always found mineral spirit to reduce the paper loading a little better. If you do use water though, try adding a few drops of dish soap
The only time I've ever had the finish load up during wet sanding is when the finish wasn't dried enough for that purpose.
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