To keep the water consumption of a SemperGreenwall as low as possible without jeopardising the health of the plants, Sempergreen has developed a special solution in collaboration with HB Watertechnologie for the reuse of rainwater when watering the SemperGreenwall.
A SemperGreenwall uses an irrigation system with a nutrient tank and a break tank that is connected to the drinking water network. A break tank is required by law and protects the public drinking water network from a possible backflow of contaminated water. If you opt for rainwater utilisation, an additional supply is fed from another rainwater storage tank. The system is regulated in such a way that the rainwater from the storage tank is used first and then switched over to tap water when the tank is empty. There is a constant interplay between the two supplies.
