1. Clean paint from the entire surface with a scraper or a hot air hair dryer.
2. Putty the uneven areas with a putty of an appropriate colour tone.
3. Polish the treated locations with sandpaper and remove the polishing dust with a brush and cloth.
4. Varnishing can be done in two different ways. Prime the surface with a solvent-based varnish that has been diluted with approx. 20% solvent. Varnish the surface twice. As an alternative, the surface can be primed with a water-based varnish that has been diluted with 20-30% water. Varnish the surface twice.
5. Lightly polish the surface between varnishing and remove the polishing dust with a brush and cloth.
6. Clean the tools according to instructions on the label.