Sealing element in soil structures (geosynthetic clay liner)

Geosynthetic clay liner
Bentofix® NSP 5400 DB


  • GCL for sealing in areas for environmental protection
  • GCL for sealing of deep drains in groundwater protection areas


  • Directional independent shear stress transferring needle-punched GCL with more than 2 million fibres/m²
  • High swelling sodium bentonite powder ensures the sealing performance
  • High robustness against installation damages