How long to cure polyurethane finish

wish2okcAugust 30, 2006

Hi!

I have repainted a consignment shop dresser and now have on two coats of satin water based polyurethane. Are two coats enough and if so, how long do I need to wait before I bring the dresser inside & start using it? We'll probably have to set a pretty heavy tv on it. Don't want the finish to come off when we move it. Thanks for your help. I did search before posting but didn't see this exact question. Boy, do you folks know a lot about wood!

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brickeyee

Look on the can of material for the recomended time. It varies between water based and solvent, and even within a single manufacturer's various types.
For a heavy point load like a TV you might want to wait a week to ensure the material has fully cured.

    Bookmark   September 1, 2006 at 8:22AM
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wish2okc

Well, I called myself reading the can for that info, but maybe I just missed it. Thanks for your advice and your reply!

    Bookmark   September 1, 2006 at 7:21PM
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mike_kaiser_gw

The manufacturer should be able to give you an exact answer. Remember curing times are based on specific heat and humidy that most homes don't have.

I'd wait at least a week, probably closer to two.

Mike

    Bookmark   September 3, 2006 at 8:43AM
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ericwi

Polyurethane takes about a year to cure completely. But that doesn't mean that you have to wait a year to use it. You could put a wood or cork pad under the tv set. I have some 8 inch diameter cork on masonite pads, under flower pots. They work great.

    Bookmark   September 7, 2006 at 10:00PM
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glennsfc

A week or two for waterborne polyurethane is just about all the time you will need to wait. Still...protecting the finished surface to keep it looking good is a good thing.

    Bookmark   September 8, 2006 at 9:37AM
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jeffinmonterey

In my experience, the water based product is not as 'hard' as the resin based. Should the finish get a little 'dull' try some polishing compound (not rubbing compound) from a auto paint supply store. I have re-polished my round oak table a couple of times and it looks really great.

    Bookmark   September 9, 2006 at 12:33AM
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