With paints and coatings as a small last impulse, it's now so far with functional colors, where it's not just about optical phenomena, discussions about which shade do I choose now, but of course also linked to tendencies and trends in a certain way.

At the moment, it can be observed on the façade that very, very dark tones are in focus and are very popular. Now you have the problem with a dark façade color, but accordingly, you know it yourself, dressed in black in summer heats up significantly more. Accordingly, there are developments here that have focused on exactly how do we manage to develop and offer dark colors for the façade, but which no longer bring about this warming.

When you look at inner cities right now, you also talk about the so-called heat island phenomenon. And there are now more and more cities that are setting clear guidelines. This is the relatively recent TSR value, which is also shown on the new color charts, how much does a color heat up under sunlight and, depending on the edition, only colors up to a certain TSR value may be used on the façade, which is also a health phenomenon, the less the buildings, the less the street spaces heat up, the more pleasant the climate, the less need to cool, air condition and expend energy.