High humidity in rooms and cooled exterior walls can quickly lead to mold growth. If you then ventilate the rooms incorrectly and do not heat them sufficiently, you give indoor fungi the opportunity to spread. If the air humidity is more than 65 percent, mold growth is pre-programmed. To avoid mold growth and its consequences, such as respiratory infections and allergies, wall damage and damage to plaster, as well as bad odors, Bauratgeber Deutschland has compiled a number of tips.
To avoid mold, residents should air their rooms several times a day. This is because during shock ventilation, the moist air from the interior rooms is exchanged for new, unused air. Especially during everyday activities, such as after showering or cooking, the rooms should be sufficiently ventilated. If the windows are left permanently open, the walls cool down and energy consumption increases. In principle, the room temperature should not be below 19 degrees. Especially in large rooms, a building dryer ensures a pleasant room climate and regular dehumidification.
Warm heated air absorbs moisture. Therefore, residents should make sure that all rooms are heated evenly. Since large temperature differences also generate wetness and humidity, intermediate doors should always be closed. Small measures in everyday life, such as hanging laundry outside, using exhaust systems or drying the shower well, can also prevent mold growth. To promote good air circulation, the building guide recommends placing furniture and pictures at a distance from the wall. Good insulation of the building envelope is a prerequisite for healthy and energy-efficient living.
Source: Building guide Germany
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