Filtration element in drainage systems

Filtration geotextile
Secutex® 151 GRK 3


  • Separation layer between pipe bedding and fine-grained subgrade

  • Filtration geotextile wrapped around the gravel aggregate water collector to prevent infiltration of fines from the surrounding soil and clogging of the collector


  • Robust against typical installation conditions
  • Flexible and adjusts easily to normal soil irregularities
  • Longterm filter performance due thicker nonwoven thickness