Almost 20 percent of Germans live in an apartment that is contaminated with mold. Almost 40 percent had a problem with it in their own four walls in the past five years. This is not only worrying because the mold looks unsightly. It also eats at the building fabric and can cause health problems. Accordingly, it should be removed quickly if it occurs. It is of course even better if the residents take countermeasures at an early stage so that mold does not even appear. There are actually enough options for both cases. An overview.