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Geotextiles

Non-woven geotextile

Needle-punched geotextile made of mechanically bonded synthetic fibres. It is permeable to water and holds back fine soil particles.

  • Separation
  • Filtration
  • Drainage
  • Protection
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Roll of white non-woven geotextile on gravel

Gallery

  • Close-up of the fibres of a non-woven geotextile
  • Non-woven geotextile under a gravel layer
  • Non-woven geotextile rolled out on a slope, gravel being placed
  • Drainage trench: gravel and corrugated pipe wrapped in geotextile
  • Drainage trench: geotextile, gravel and corrugated pipe
  • Corrugated drain pipe wrapped in non-woven geotextile in a trench

Function

  • SeparationPrevent two soil layers from mixing.
  • FiltrationLet water through, hold back fine particles.
  • DrainageCollect and carry away water.
  • ProtectionProtect a membrane or a structure.

Applications

  • Platforms and subgrades
  • Road and rail projects
  • Hydraulic works and riverbanks
  • Geomembrane protection
  • Environmental projects

Available specifications

Available weights
Mass per unit area from 50 to 1200 g/m².
Main properties and test standards (values depend on the reference)
PropertyStandard
Mass per unit areaEN ISO 9864
Thickness under 2 kPaEN ISO 9863-1
Tensile strengthEN ISO 10319
CBR static punctureEN ISO 12236
Water permeability normal to the planeEN ISO 11058
Characteristic opening sizeEN ISO 12956
Crew rolling out geotextile at the bottom of a wide trench, excavator in the background

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