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Polyurethane for kitchen cabinets

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Forum topic by Carloz posted 12-24-2016 04:11 AM 571 views 0 times favorited 6 replies Add to Favorites Watch
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Carloz

966 posts in 427 days


12-24-2016 04:11 AM

The finish on the kitchen cabinets started flaking off in the corners despite being only 10 years old. It flakes together with the stain leaving bare wood. I guess there was no stain, probably some tinted laquer. It relatively easy dissolves in acetone. On one hand i am angry at whoever finished the cabinets, on the other hand I am grateful that I can return it to its original condition and start from scratch. These are figured profiles so sanding it down would not be an option.
I wander if i should apply stain and then polyurethane or should repeat the tinted lacquer option. Polyurethabe is tougher but once applied it is the final finish without ever going back. Lacquer can be stripped relatively easy and start from bare wood again.
Any hints ?


6 replies so far

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Redoak49

2891 posts in 1824 days


#1 posted 12-24-2016 12:23 PM

I would go back to bare wood. Also, you need to really clean them as everything in a kitchen has some grease on it. Will not be easy with the profiles you have but good luck.

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Fred Hargis

4756 posts in 2329 days


#2 posted 12-24-2016 01:56 PM

Stain and varnish would be my choice, though the waterborne finishes by GF are very good and might be a good choice if the odor of an oil based will be a problem. The #1 problem encountered with re finishing kitchen cabinets is the one redoak mentioned: cleanliness. You cannot clean them too much. Even with a good cleaning you might want to consider a cover coat of shellac to seal any possible contaminants.

-- Our village hasn't lost it's idiot, he was elected to congress.

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Carloz

966 posts in 427 days


#3 posted 12-24-2016 04:57 PM

So lacquer or polyurethane ?

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diverlloyd

2332 posts in 1693 days


#4 posted 12-24-2016 05:02 PM

You can sand them. Take a door off and put a piece of plastic wrap on the molding and then mix up some bondo and put on top of the plastic wrap. Let it harden and now you have a custom sanding block.

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Fred Hargis

4756 posts in 2329 days


#5 posted 12-24-2016 05:44 PM



So lacquer or polyurethane ?

- Carloz

Varnish, which is probably what you are calling “polyurethane”. On my soapbox: polyurethane and urethane are the resins used to make most varnish. In turn, varnish is a compound made with those resin (or others) and a drying oil cooked together at high temps. This compound is varnish, and would be my choice for the cabinets (climbing down off soapbox, for now). In the post-Norm era where he taught everyone to call varnish “poly”, it seems to have become the common use.

-- Our village hasn't lost it's idiot, he was elected to congress.

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firefighterontheside

16917 posts in 1692 days


#6 posted 12-24-2016 05:55 PM

If you want it to look like it did, I would say tinted lacquer. As you say, there is no stain. If you strip all the finish from the doors, stain and finish the doors will not match cabinets. If you are not worried about the match then stain and poly it for a more durable finish.

-- Bill M. "People change, walnut doesn't" by Gene.

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