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post #1 of 17 (permalink) Old 08-20-2012, 02:36 PM Thread Starter
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Default finishing a floor

just put final varnish on floor but as I returned a few hours later I noticed a small section that didn't seem to get enough varnish. Do I have to resand and redo the whole floor or can I touch up that area? I'm using MINWAX CLEAR SATIN oil based polyurethane with sponge applicator. Thanks all.
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post #2 of 17 (permalink) Old 08-20-2012, 03:37 PM
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Brian; if it were me, I'd be inclined to do the touch up first. Then if you're not satisfied, very lightly 'sand' the whole floor, then put a final coat on the whole thing.
Remember to use a tack cloth or vacuum to clear the dust particles before re-coating!
Personally, I prefer the synthetic non-woven sanding cloth over sandpaper, but that's just me. Use it damp...as a lubricant.
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post #3 of 17 (permalink) Old 08-21-2012, 08:08 AM Thread Starter
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do mean NOT sanding? some areas I've noticed are not covered as well as others...I may not have worked the varnish well enough and some edging occurred. Thanks DaniVan
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post #4 of 17 (permalink) Old 08-21-2012, 08:22 AM
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Brian, you might also consider that some areas may still retain some wax from polishing the floors in the past (or silicone). It might require a more vigorous sanding to cure that problem.

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post #5 of 17 (permalink) Old 08-21-2012, 11:07 AM
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To be honest, Brian; I've always had my hardwood floor guy do my floor refinishing projects. That way, when the job's not perfect I have somebody to call to redo it!
I think I started doing that because the finishes back in the 70's were absolutely obnoxious to be around until they flashed off, and the fumes cleared. The danger of ruining a floor with the big commercial floor sander was another compelling reason for not doing it myself.
An anecdote:
my guy had completed a floor in the morning and had left a note on the front door warning the owner 'Do Not Enter: Floor Wet'.
She, after carefully considering it, decided to take off her shoes and walk across it with her socks on...
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post #6 of 17 (permalink) Old 08-21-2012, 11:13 AM
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Brian; I reread your last comment. I'm trying to picture a foam applicator big enough to effectively do a floor(?). You shouldn't have to "work" urethane if you apply it reasonably generously. An application stroke and a backstroke should do it, leaving an even wet area, then moving to the next stroke always working into the wet edge.
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post #7 of 17 (permalink) Old 08-21-2012, 08:17 PM
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Quote:
Originally Posted by DaninVan View Post
She, after carefully considering it, decided to take off her shoes and walk across it with her socks on...


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post #8 of 17 (permalink) Old 08-22-2012, 05:25 AM
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Yes, I remember those obnoxious finishes. Not for woodwork, ... well it was... Resurfaced a lot of Ten Pin Bowling Lanes over the years. Remember being carried out of a couple places. Urethane fixed that. Disappointing really.

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post #9 of 17 (permalink) Old 08-23-2012, 10:32 AM Thread Starter
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well I've given up on the synthetic lambs wool applicator...after second attempt I'm still left with streaking,even after all the "HOW TO" videos I've watched. Stirred the MINWAX CLEAR SATIN polyurethane for over 5 minutes, slowly and gently, properly sanded the floor (220grit) cleaned fanatically with vacuum,tack cloth, and finally damp cloth and allowed to dry overnite. temperature in the morning was 72F followed all possible advice and I still did not get good results. Should I attempt roller technique? or good experienced older man who was born doing this? I'm about to give up!
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post #10 of 17 (permalink) Old 08-23-2012, 11:15 AM Thread Starter
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Default addendum to my plight

will resand my floor to get the STREAKS out thus flattening the surface and will attempt roller finish...GULP! if that doesn't work I'll calling in the big guns...anyone with lots of ROLLER application (on floor varnishes) experience would be greatly appreciated. Could the STREAKS left by the applicator be a question of the varnish NOT levelling or could it be the applicator? I crossed spread at first then went with the wood grain as they say and it still left streaks. I could not find very detailed videos on how to use a LAMB's WOOL applicator so it is a mystery on how to use one precisely. Thanks folks
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