Terms for RRain downpipe / downspout
Receiving water courses
Replenishing / system control
Roof runoff water
The introduction of rainwater into the ground with the aid of technical infiltration systems is called infiltration. Sewer systems and wastewater treatment plants are relieved by the decentral infiltration of rainwater. What are called French drains combine the requirements for environmentally sound management of rainwater with the possibility of saving sealing fees.