When repainting an oil based paint area primer is essential because the only type of paint that will truly work on a previously oil paint based surface is another coat of oil paint.
Can you paint oil over acrylic house paint.
You can paint over the oil based house paint with the shellac primer.
Oil based paint is a safe choice when painting over a previous oil finish because it is more forgiving of marginal surface prep so there is less chance for peeling but that doesn t mean you should skip out on surface prep altogether.
Acrylic paint is basically everything oil based paint isn t.
Using water based or acrylic paint when painting over oil based paint is likely to cause peeling or chipping because those formulas don t bond well with the naturally glossy surface of oil based.
The conclusion of the scientists was that the paint picasso used had the same chemical composition as the house paint a popular oil based enamel paint in france called ripolin.
But provided the canvas has been primed to be suitable for both oil paints and acrylics it s fine to start a painting with acrylics and then finish it in oils.
They dry quickly don t have a weird smell aren t as harmful and can last much longer.
If the surface is not cleaned and primed the oil paint will rarely stick to it.
It has been proven to be a very chemically stable paint and thus should hold up well for centuries according to analysis done at the art institute of chicago.
Many artists worry about painting with oils over acrylics.
Oil paint will happily adhere to dried acrylic paint.
But do not paint with acrylics over oils.
Shellac can be painted over with either latex or oil based paint.
An oil based primer is better for acrylics but they have become hard to get.
Unlike latex paint oil based paint is very finicky about what it adheres to.
Now let s look up how to paint acrylic over oil paint says daniel.
That s good to know.
It is a question i receive very often.
See more of that here.
But with the caution that the acrylic paint shouldn t be too glossy or thick.
What you shouldn t do is to start a painting in oils which dry slowly and then paint on top with acrylics which dry quickly.
Then when the shellac primer dries it will accept latex or acrylic paint.
Also whether you can paint with oils on paper.
In order to answer this question thoroughly i have a demonstration.
So if you want to use acrylic house paint don t do the shellac primer.