1. Clean the surfaces with a dust brush.
2. Fill deep holes and cracks with putty.
3. Polish the treated locations with sandpaper and remove the polishing dust with a brush.
4. Cover the entire surface with a thin layer of putty. Polish the surface and remove the polishing dust. When working with a sprayer, use putty.
5. Prime the entire surface with primer.
6. Paint the surface in 2 layers using ceiling paint.
7. Clean the tools with soapy water and carefully rinse.