All about stormwater management

In Germany, an area of around 129 hectares, the equivalent of 175 football pitches, is built over or sealed with buildings every day. This is resulting in flooding and ecological and economic damage on a scale never seen before. Sealing ground surfaces with buildings also lowers the groundwater level – the natural cycle is broken. GRAF's intelligent infiltration systems take account of this. The EcoBloc Inspekt flex infiltration modules and percolation tunnels combine the need to dispose of rainwater in an environmentally sensitive way with scope for saving sealing fees. Local infiltration of rainwater also takes the strain off the sewer network and wastewater treatment systems.