Protection system for underground exploited structures of buildings and structures with a low groundwater level. Two layers of waterproofing membrane made of bitumen-polymer roll material Imper Lux N provide increased requirements for the reliability of the waterproofing system. The use of extruded polystyrene foam allows you to create favorable temperature and humidity conditions inside the protected circuit.

The system is used to protect underground structures with exploited or living quarters in local sandy soils, with a low groundwater level.

• Time-tested classic solution without insulation.