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Reply by CaptainKlutz

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CaptainKlutz

1892 posts in 2005 days


#1 posted 01-09-2019 07:52 AM

Depends on which latex paint, and type of surface prep before top coat?
Latex with rough sanded surface will provide a mechanical bond for most any coating, except varnish or drying oil like BLO. Key to adhesion is usually sanding. :)

If coatings are not compatible, won’t know about any issue till there is moisture/solvent permeation and base/top coat starts lifting; so testing will be PIA. Suggest the use of a set of products recommended by mfg that work together?

Many of the chalk/milk paint mfg recommend using a WB top coat for durability. If I needed a distressed painted surface and was planning to top coat for a small project; GF chalk or milk paint would be my paint choice .vs. generic latex wall paint. GF WB HP will work on both of them without any color shift. Last time I did something similar, used chalk paint, and sprayed pre-cat lacquer. So many options exist.

FWIW – Target Coatings (and others) offers WB pigmented lacquer often used for kitchen/bath that could be distressed and be WB top coated if need more protection or different sheen. This removes the latex question entirely. :)

Best Luck.

-- I'm an engineer not a woodworker, but I can randomly find useful tools and furniture inside a pile of lumber!


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