Michael Dresdner

straight talk about wood finishing

Q: What finish will stand up to New York winters? Sometimes the windows sweat on the inside and my finish comes off in a year or two.
A: Part of that my be your choice of finish, but it may also be the preparation. You must start with clean, sanded wood to get good adhesion, then choose a finish that is not prone to peeling and has a high moisture resistance. I’d go with oil based varnish, spar varnish, or exterior oil based polyurethane. All have good adhesion and resistance to moisture delamination.

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