Protection of groundwater from contamination by structural measures
The Water Resources Act sets strict requirements for the structural protection of facilities used for storing, filling, and handling water-polluting substances. The aim is to prevent harmful liquids from leaking into the ground or waterways. Liquid-tight surfaces, collection trays, and retention facilities that prevent uncontrolled seepage or runoff are key. Construction and sealing materials must be chemically resistant and mechanically resilient so that they can withstand the stored media in the long term. The WHG also requires proper drainage: Rainwater from storage areas must be directed in such a way that it does not come into contact with water-polluting substances or is treated properly. The static stability of the facilities must also be ensured in order to prevent cracks and leaks. Regular checks of the structural tightness and documented maintenance measures ensure long-term functionality. In this way, structural water protection contributes significantly to the preservation of clean water resources.
DUCON as a WHG impermeable layer with a thickness of only 55 mm
With a thin 55 mm structure, DUCON offers the ideal solution for creating a WHG-compliant sealing layer for both new and existing buildings. The low layer thickness makes it possible to build on existing floor surfaces and upstands without significantly reducing the collection volume. The DUCON sealing layer, which is generally approved by building authorities (approval no. Z-74.1-89), also offers high resistance to mechanical stress and is the only system approved for cracked conditions.
Further information can be found here.