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Different finishes

What are the differences between varnishes, shellacks, polyurethanes, polyacrylics, etc. other than their chemical makeup? What are the advantages or disadvantages of each and for what applications are they best suited for? :confused:

Re: Different finishes
Re: Different finishes

It depends on what you are doing with them and how the piece of furniture or whatever is goint to be used in the future.

On new wood, I stain the wood first. Then I use a sanding sealer, sand it after it dries and then usually put on two or three coats of polyurethane semi gloss varnish. Poly is very durable so use it on most stuff and you'll be fine. It dries over night. Don't shake the can or you'll get bubbles in the finish. Stir it slowly. For small jobs, I like the foam brushes because they don't leave stray bristles and keep the bubbles to a minimum.

Shellac is fussy, you have to mix it yourself to do it right, and probably, from your questions, not something you want to attempt at this point in time.

Good Luck.

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