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Geosynthetic Clay Liner is the factory-manufactured hydraulic barriers consisting of a layer of bentonite or other very low permeability material supported by Geotextiles and/or Geomembranes, and mechanically held together by needling, stitching, or chemical adhesives.


  • High Chemical Resistance
  • High Puncture Resistance
  • Low Permeability
  • Ease of Installation
  • Suitability for Wet Site Condition Installations
  • No Maintenance
  • No Adverse Environmental Effects
  • Reduced Construction Costs
  • Long-Term Shear Strength
  • Composite Landfill Liners
  • Landfill Caps
  • Secondary Containments
  • Storm Water and Waste Water Retentions
  • Canals, Dams, and Reservoirs
  • Ground Water Protection
  • Waterproofing
  • Vertical Cut Off Trenches
  • Polyfelt® Enviromat

Polyfelt® Enviromat is a Geosynthetic Clay Liner (GCL) made from quality polypropylene Geotextiles and premium grade natural sodium bentonite. Polyfelt® Enviromat is fiber-reinforced by needle-punching the composite across the entire length and width of the product. The high tenacity fibers are then thermally locked to ensure high long term shear strength.

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Product Types:
o Polyfelt® Enviromat 4000 o Composite Landfill Liners
o Polyfelt® Enviromat 5000 o Landfill Caps
o Secondary Containments
o Subgrade Stabilization of Very Soft Soils
o Storm Water and Waste Water Retentions
o Canals, Dams, and Reservoirs
o Ground Water Protection
o Waterproofing
o Vertical Cut-Off Trenches