This part of the guideline VDI 4075 series of guidelines addresses practitioners in mainly small and medium-sized enterprises (SMEs) of the painting industry. The objective is to give a survey of the economic and ecological measures for optimising painting processes, the optimisation following the stepwise, systematic procedure described in guideline VDI 4075 Part 1. This part deals with basic as well as further-going PIUS measures so that many enterprises may profit from the suggestions.