breadstick Posted March 28, 2016 Report Share Posted March 28, 2016 I made a sign that will most likely get hung in a bathroom over the weekend. I stained it with natural stain, but I don't know what type of finish to use. I usually use a spray poly on my finished items, but I'm afraid shower humidity will affect it over time (as well as the glue holding the backer on). Do I have to use marine varnish to be safe? Quote Link to comment Share on other sites More sharing options...
Phantom Scroller Posted March 28, 2016 Report Share Posted March 28, 2016 If it's made from hardwood I would use yacht varnish in fact what ever I would use yacht varnish. If it's good enough for a boat it's good enough for a bath room. Roly amazingkevin 1 Quote Link to comment Share on other sites More sharing options...
breadstick Posted March 28, 2016 Author Report Share Posted March 28, 2016 Makes sense. It's whitewood, which surprisingly has a good grain, cuts very easily, and is very cheap. Might do these types of products with it from now on. It's supposed to be country/folk looking. Quote Link to comment Share on other sites More sharing options...
Dan Posted March 28, 2016 Report Share Posted March 28, 2016 I used poly on my dining room table. It has held up through much abuse over the past 20 years. No water marks. Whatever finish you choose, be sure to get 100% coverage of front, back, inside cuts, etc. Quote Link to comment Share on other sites More sharing options...
Bill WIlson Posted March 28, 2016 Report Share Posted March 28, 2016 Do you have other woodwork in your bathroom, such as trim, cabinetry, etc? How have they held up? My belief is that if you have excessive humidity and moisture problems in the bathroom, then those need addressed. If there is enough moisture to damage a finished piece of wood, then there is enough to generate mold. Something to think about. GrampaJim and Birchbark 2 Quote Link to comment Share on other sites More sharing options...
breadstick Posted March 28, 2016 Author Report Share Posted March 28, 2016 Thanks everyone. It's not for me. It's to sell. Just trying to make a good product. I'm just worried about shower steam. Quote Link to comment Share on other sites More sharing options...
DWSUDEKUM Posted March 28, 2016 Report Share Posted March 28, 2016 Spar Varnish or Tung Oil will work fine for that application. DW Scrolling Steve 1 Quote Link to comment Share on other sites More sharing options...
MrsN Posted March 28, 2016 Report Share Posted March 28, 2016 I would use poly and not worry about it. Since there is usually plenty of drying time between humid ones I think you should be fine. As Bill Wilson said, if there is moisture to damage the wood, there is moisture to grow mold and that is a much bigger problem. WayneMahler 1 Quote Link to comment Share on other sites More sharing options...
Scrolling Steve Posted March 28, 2016 Report Share Posted March 28, 2016 I like DW's idea of spar varnish ! Quote Link to comment Share on other sites More sharing options...
amazingkevin Posted March 29, 2016 Report Share Posted March 29, 2016 Just like rust if air can't get to it it stops growing,if water can't get to the wood no problems,my 2 cents worth.seal and finish Quote Link to comment Share on other sites More sharing options...
Lucky2 Posted March 29, 2016 Report Share Posted March 29, 2016 (edited) Ha, here's another case where I agree with MrsN. I have mahogany trim in my bathroom, it's been in there for over twenty-five years. It was coated with three coats of Varathane when installed, It looks as good today as it did when first installed. It's never been retreated, never seen the need to refinish. Len Edited March 29, 2016 by Lucky2 Quote Link to comment Share on other sites More sharing options...
heppnerguy Posted April 1, 2016 Report Share Posted April 1, 2016 what I know about finish i could have stated without writing anything at all...I love learning things from others here though. Dick heppnerguy Quote Link to comment Share on other sites More sharing options...
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