Finish over painted surface in bathroom

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Forum topic by jwreels posted 05-23-2012 02:05 PM 1109 views 0 times favorited 6 replies Add to Favorites Watch
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4 posts in 3878 days

05-23-2012 02:05 PM

I built a medicine cabinet for a bathroom. It will be painted white. What finish should I go over the painted surface with ? This will be high humidity environment since its in the bathroom.


6 replies so far

View Wdwerker's profile


333 posts in 2231 days

#1 posted 05-23-2012 02:30 PM

I have used clear satin water based finishes over paint on a medicine cabinet. The advantage of the water base is no amber tint which would affect the color of your paint.
The bathroom is tiny and has no vent fan, over 2 years of steaming hot showers and the finish is still good as new.
I use ML Campbell’s Aguelente, a pre-catalysed acrylic professional product, but I bet any water base clear should work.

-- Fine Custom Woodwork since 1978

View AJLastra's profile


87 posts in 2226 days

#2 posted 05-23-2012 02:50 PM

Agualente is a terrifc finish…..............if you’re spraying. Never heard that it can be brushed. Are you brushing or spraying your finish?

View Bill White's profile

Bill White

4929 posts in 3958 days

#3 posted 05-23-2012 02:54 PM

Just wonderin’ why you need a finish over a finish?


View jwreels's profile


4 posts in 3878 days

#4 posted 05-23-2012 03:27 PM

Ah the finish would have to be brushed, I currently don’t have any way to spray.

View AJLastra's profile


87 posts in 2226 days

#5 posted 05-23-2012 03:42 PM


I would check out Endurovar made by General Finishes. It can be sprayed but its made for brushing. This topcoat comes in waterbased and solvent based formulas. The waterbased product is a “go to” finish for noted finishing expert Jeff Jewitt. check out his web page at homesteadfinishing. Hope this helps.

View Doss's profile


779 posts in 2262 days

#6 posted 05-23-2012 03:48 PM

I have, in the past, used automotive clearcoat on painted finishes before (enamel). I like gloss finishes for everything in the bathroom b/c it is less likely to allow water to thin out and saturate a surface (think about misting water onto glass vs sandpaper) which reduces the chance of mold. That’s my theory on that.

-- "Well, at least we can still use it as firewood... maybe." - Doss

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