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Posted on Can I put poly over Watco?

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Lee Barker

2172 posts in 4310 days

#1 posted 05-28-2012 06:56 PM

Hi Tom—

Any sanding involved with the Watco? If your third coat is really dry—a full day or more—then I’d try applying Watco and wetsanding it with 320 wetordry. What you’re doing here is cutting off little nibs and, in some cases, forcing little wood particles into pores. The feel of the drag on the paper will tell you when the abrasive is working. This is not a scrubbing action, but more of a spreading and, when you get an area thin-coated, giving it a little gentle friction.

Now wipe the stuff off thoroughly. Feel the result. If it’s satisfying, add another thin coat of fresh stuff and so on as needed. If you need to wetsand again down the line, go to finer grits, like 400 then to 500.

Watco is so much easier to work with than poly and, in the end, will yield similar results. It will be worth the patience it will take to get it right.

I think one of the habits that we all struggle with is, when the project is built, using the word “done.” That’s a sure way to convince your brain it needs to hurry through the finish process. I prefer to describe that state as “ready for finish” which puts that very important last step in the same category as “make a cut list” and “mill the rough stock” and “cut the joints.”



-- " his brain, which is as dry as the remainder biscuit after a voyage, he hath strange places cramm'd with observation, the which he vents in mangled forms." --Shakespeare, "As You Like It"

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