You may have heard that paint acrylic over oil-based paint is difficult with acrylic paint because the paint slips on the oil paint and does not stick to it, or even if it is done well when painting, it still can be easily separated from drying. In this article, we are going to explain how to paint walls that have already been painted with oil paint using acrylic paint so that you can do it like a professional building painter.

Can You Paint Acrylic Over Oil-Based Paint?

Latex paint (and even other oil-based paint) can be successfully applied over older oil-based paint as long as the surface is fully cured and there is nothing inherent in the coating that prevents another layer of paint to be added. Preparation is important. Glossy surfaces will not take a second layer of paint well, so they need proper cleaning and priming achievable by following these steps.

The oil paint must be completely dry

It must have been at least 1 month since the acrylic paint was applied on the wall so that we can paint it using other paints, because if we do not paint this time to dry, after painting the building using paint The acrylic will flake off and disappear. The more the paint is past and the paint is dry, the better the surface colour will show.

How To Paint Acrylic Over Oil-based Paint

Sand the Oil Paint in Order to Apply Acrylic Over Oil-Based

As the name implies, oil rust has an oily surface, which is why it is impossible for water to penetrate, so before painting the surface, be sure to scrape it a little using the sheet sanders sold in stores so that It has more adhesion and water permeability.
Wash the wall surface with industrial detergents.

At this stage, we still have to find a way to reduce the oiliness of the wall surface, the best way to wash the wall surface is using phosphate-based detergents. By doing this, the paint is planted from being oily and it becomes more sticky. It is enough to prepare the surface on the wall using an industrial detergent solution. To get the price of painting the building, you can contact the technicians of Honarkadeh Rad Company.

How To Paint Acrylic Over Oil-based Paint

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Painting the wall with a layer of primer paint

After you have done the previous steps, it will be time to paint the walls in the normal way, so that you must first paint the wall surface using a layer of acrylic paint and cover it completely with oil paint. Depending on the need, you should paint the wall surface once or twice with primer.

Finally, paint the surface of the wall complete with a brush or roller.

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