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Forum topic by redwood50 posted 06-16-2011 04:41 PM 813 views 0 times favorited 3 replies Add to Favorites Watch
View redwood50's profile


2 posts in 2946 days

06-16-2011 04:41 PM

I had some one paint a picture on a board with oil base paint and was wondering what would be the best finish to put on it. That would not cause any problems with paint. Thanks.

3 replies so far

View drewnahant's profile


222 posts in 3051 days

#1 posted 06-16-2011 04:53 PM

I always recommend going with a finish you are comfortable with, only restriction here is that it has to bond to oil-base, without being oil-base. It cannot be oil based because this could cause some of the oil paint to dissolve, creating a tinted clear coat, possibly smudging the painting too. Depending on the specific type of paint used, it may not be an issue, but better safe than sorry.

I wold suggest either shellac, water borne polyurethane, or catalyzed varnish if you know how to use it.

If you are in contact with the artist, perhapse you could get them to smear some of their paint on a scrap board, so you can test your finish. maybe even get an old pallet covered in paint to use.

View KayBee's profile


1083 posts in 3208 days

#2 posted 06-16-2011 05:20 PM

You need to wait 6-12 months before putting a finish on an oil painting. Longer if it’s really thick. Then use artist’s picture varnish on it. It’s formulated not to dissolve the various media that are used in painting, holds up well to UV, and doesn’t give it that ‘warm’ tint like woodworking finishes. You can get some at any art/craft store or mail order. Windsor & Newton and Grumbacher are two good brands that are readily available. Different levels of sheen are available too.

-- Karen - a little bit of stupid goes a long way

View Bertha's profile


13517 posts in 2655 days

#3 posted 06-16-2011 05:21 PM

2nd on the time to cure and the dedicated varnish. Pick the sheen based on the shine of the extender in the paints.

-- My dad and I built a 65 chev pick up.I killed trannys in that thing for some reason-Hog

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