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Question regarding combining paints with other finishes

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Forum topic by JimRochester posted 11-07-2014 12:25 PM 632 views 0 times favorited 3 replies Add to Favorites Watch
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JimRochester

376 posts in 1079 days


11-07-2014 12:25 PM

Topic tags/keywords: paint oil

I wasn’t sure how to search for this and didn’t see anything so I started a new topic.

I want to add some decorative paint to some of my products. A little pinstripe or a flower. I don’t see aerosols being a problem but what about wipe on finishes? Will mineral or Danish oil remove the paint, or can I paint over something that has been treated with oil? Any special paints?

Any help is appreciated.

-- Schooled in the advanced art of sawdust and woodchip manufacturing.


3 replies so far

View Fred Hargis's profile

Fred Hargis

3941 posts in 1957 days


#1 posted 11-07-2014 12:41 PM

If your paint is dry, the wipe on should not be a problem. Since there is an infinite number of combos for this, I’d test it first, but if the paint is an acrylic (suggested), the MS in the following finish won’t be a problem (again, it needs to be dry). Dainsh oil (real danish oil) is simply varnish, MS and BLO. That would also not disturb the paint, but I’ve never liked putting danish oil on top of another finish; it works better on bare wood. That said, many products labeled “danish oil” are simply wiping varnish (highly thinned varnish). Now, if the plan is to paint on top of the danish oil, I wouldn’t use it (danish oil) at all, stay with the wiping varnish…..if it’s not polyurethane that’s even better. Urethanes inhibit adhesion. The BLO component must be completely cured for the paint to adhere, and not only will that take a few days it still may not work (again, depending on the paint). I would suggest the paint being an acrylic, then top coated with a home brew wiping varnish (varnish/MS, 50/50), that way you know exactly what you are applying.

-- Our village hasn't lost it's idiot, he was elected to congress.

View Loren's profile

Loren

8306 posts in 3112 days


#2 posted 11-07-2014 03:21 PM

Alkyd varnishes, for example, are essentially a paint
base with no pigment. I’ve put transparent finishes
over paint plenty of times.

Putting paint on top can be a problem if you don’t
scuff.

Somebody may weigh in with a more technical
answer than mine. I don’t know much about
finish chemistry but I know enough to get by
on a practical level.

View JimRochester's profile

JimRochester

376 posts in 1079 days


#3 posted 11-07-2014 08:22 PM

Everything I’m looking to paint is finished with either mineral oil from Wal Mart or WATCO Danish Oil. What about enamel? Isn’t that oil based?

-- Schooled in the advanced art of sawdust and woodchip manufacturing.

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