Polyurethane -- Wait Time Before Between-coats Sanding - Painting - DIY Chatroom Home Improvement Forum

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Old 12-09-2015, 01:36 PM   #1
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Polyurethane -- wait time before between-coats sanding

Getting a second coat on this evening. How long until I can lightly sand so I can proceed recoating? How hard/dry is hard/dry enough? Normally I'd like to wait a couple of days, but circumstances are such that I'd like to move forward.

Minwax high-gloss oil base poly on stained new wood, room temp, last time I checked 43% humidity where I'm working. Room oriented south-southwest, 148' above sea level.


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Old 12-09-2015, 02:08 PM   #2
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Didn't the container come with instructions? You should follow the instructions that came with your product. Water based differs from oil based and Minwax might differ from another manufacturer.


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Old 12-09-2015, 02:27 PM   #3
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I agree totally with Ron. What do the manufacturer's directions say???
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Old 12-09-2015, 11:02 PM   #4
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Echo, echo, echo....follow manufactures instructions. (or you'll be sorry)
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Old 12-09-2015, 11:04 PM   #5
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rushing a poly job is a poor idea. if summer temps here in colorado, I'll wait 24 hrs between coats. winter time, 48 hrs +. otherwise you risk a coat which is wavy, and poly is a pita to strip back.
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