1. Clean dust and dirt from the surfaces using a brush.
2. Remove resin from knot locations.
3. Cover the surfaces that you do not wish to paint.
4. Clean dusty and mouldy surfaces with a cleaning agent, according to the instructions on the label.
5. Carefully rinse the surfaces with water and let them dry.
6. Prior to treatment prime the surface with an impregnating agent in a single layer.
7. Treat the surfaces twice with a wood protective agent.
8. Clean the tools according to instructions on the label, using water or solvent.