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.
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.