Vadose Remediation, LLC
  • Home
  • Products and Services
    • Fluorosorb - PFAS Media
    • Bentonite and GCLs
    • Organoclays
    • Filtration Medias
    • Metals Stabilization
    • Reactive Core Mat
    • Adsorbent Medias
    • Liquid Boot VI Systems
    • Bentomat Pond Liners
    • Marine Mattresses
    • Activated Carbon
  • Applications
    • PFAS
    • Containment Systems
    • Vapor Intrusion
    • Sediment Treatment
    • Water Filtration
    • Shoreline Stabilization
    • Subsurface Remediation
  • Contact
  • More
    • Home
    • Products and Services
      • Fluorosorb - PFAS Media
      • Bentonite and GCLs
      • Organoclays
      • Filtration Medias
      • Metals Stabilization
      • Reactive Core Mat
      • Adsorbent Medias
      • Liquid Boot VI Systems
      • Bentomat Pond Liners
      • Marine Mattresses
      • Activated Carbon
    • Applications
      • PFAS
      • Containment Systems
      • Vapor Intrusion
      • Sediment Treatment
      • Water Filtration
      • Shoreline Stabilization
      • Subsurface Remediation
    • Contact
Vadose Remediation, LLC
  • Home
  • Products and Services
    • Fluorosorb - PFAS Media
    • Bentonite and GCLs
    • Organoclays
    • Filtration Medias
    • Metals Stabilization
    • Reactive Core Mat
    • Adsorbent Medias
    • Liquid Boot VI Systems
    • Bentomat Pond Liners
    • Marine Mattresses
    • Activated Carbon
  • Applications
    • PFAS
    • Containment Systems
    • Vapor Intrusion
    • Sediment Treatment
    • Water Filtration
    • Shoreline Stabilization
    • Subsurface Remediation
  • Contact

Bentonite and Geosynthetic Clay Liners (GCLs)

A geosynthetic clay liner (GCL) is comprised of two geotextiles that are needlepunched together, encapsulating a layer of sodium bentonite clay or polymer-enhanced clay between them. GCLs are known for having consistent, very low permeability. They have the unique ability to seal around penetrations, self-heal punctures, and self-seam at the overlaps.


GCLs are widely used for water containment applications (ponds, reservoirs, channels, etc). In these instances, the Bentomat CL series of GCL are used (scroll below). 


For waste containment applications, depending on the chemistry of the material in contact with the GCL, a standard bentonite-based GCL or a polymer-modified GCL will be selected.  Additionally, site conditions will dictate the interface and internal shear strength requirements. CETCO BENTOMAT and Resistex GCLs are available in a variety of geoxtextile configurations to meet site-specific shear strength requirements.


Contact us to support with selecting the appropriate GCL for your project. We have a database of previous compatibility and shear strength testing. Additionally, we can coordinate site-specific compatibility and shear testing for your project.

Bulk Bentonite

Bulk Bentonite

Bulk bentonite is available in granular or powdered variations. Typical applications for bulk bentonite include blending with site soils to decrease the hydraulic conductivity, in ISS applications, or slurry walls. 

Bentomat Geosynthetic Clay Liner

CETCO Bentomat GCLs

Sodium bentonite-based GCLs provide an excellent hydraulic barrier in applications where leachate in direct contact with the GCL is relatively non-aggressive, or in composite lining applications where the GCL is overlain by a thermally welded geomembrane and hydrates from uptake of innocuous moisture from the subgrade. 

CETCO RESISTEX GCLs

CETCO RESISTEX GCLs are polymer-modified bentonite GCLs that are engineered to provide the highest level of chemical compatibility for hydraulic barrier performance in extremely aggressive leachate environments. We recommend project-specific compatibility testing for the proper selection from the RESISTEX family of GCLs.

Bentomat CL Pond Liner

Pond Liners

CETCO Bentomat CL series GCLS are used in water containment applications and as stand-alone barriers in cover applications. The Bentomat CL series are available as a lightly reinforced option (600CL) and with a textured laminated geomembrane (CLT) for increased interface shear strength.

Downloads

Additional products and specifications are available. Please contact us about your specific project and we can help you select the appropriate product for your application. Site specific-chemistries and shear strength requirements will dictate the appropriate GCL type.

Volclay CG-50 Physical Properties (pdf)Download
Volclay CP-200 Physical Properties (pdf)Download
Technical Data Sheet - BENTOMAT 200R GCL (pdf)Download
Technical Data Sheet - BENTOMAT ST GCL (pdf)Download
Technical Data Sheet - BENTOMAT DN GCL (pdf)Download
Technical Data Sheet - BENTOMAT CL GCL (pdf)Download
Technical Data Sheet - BENTOMAT CLT GCL (pdf)Download
Design Guide for Water Containment (pdf)Download
Bentomat Installation Guidelines (pdf)Download
Slope Stability with Bentomat CL or CLT (pdf)Download
TR-345 - Compatibility Testing (pdf)Download

Copyright © 2023 Vadose Remediation, LLC - All Rights Reserved.

  • Privacy Policy
  • Terms and Conditions

This website uses cookies.

We use cookies to analyze website traffic and optimize your website experience. By accepting our use of cookies, your data will be aggregated with all other user data.

Accept