Overcoating Acrylic Paint with Poly or HWO?


Mark J

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I have used acrylic paint just a couple of times now and have been wondering about overcoating it with either a hard wax oil product (like Osmo Polyx-Oil) or a polyurethane varnish. Has anyone ever tried this? If so how and what did you apply? How did it work out? I guess I can try it on scrap wood easy enough, but curious about the experience of others.

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On 6/10/2022 at 5:40 PM, wtnhighlander said:

I used GF High Performance over GF 'Milk Paint', which is actually acrylic, with very nice results. Applied with a foam brush.

I did this same thing on my wife’s desk. It has been holding up really well. 

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Here's my scrap test piece. The acrylic paint was allowed to dry overnight. Gel poly on the left and Osmo polyx-oil on the right, with nothing in the middle.
20220612_150836.jpg
Single coats on unprepared maple. The paint is a titch darker and maybe a titch yellow under both coatings, but it would be hard to tell if all the paint was coated. There was the faintest blue "stain" on the buff cloth, but the cured paint was not materially affected by the solvents.

Not sure if I'll go this route, but it's nice to know your options.

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