1. Remove the entire whitewash or chalk paint, using a damp putty knife for scraping.
2. Remove paint particles from the surfaces with a dust brush.
3. Clean and expand the cracks up to a stable base. Fill the holes, cracks and uneven areas with putty. Let the putty dry.
4. Polish the treated locations with sandpaper and remove the polishing dust with a brush.
5. To obtain the best result, cover the entire surface with a thin layer of putty. Polish the surface and remove the polishing dust.
6. Use putty locally, prime the treated areas once with primer.
7. Twice cover the surface with water-based paint finish.
8. Clean the tools according to instructions on the label.