Geosynthetic Clay Liners

Regardless of the application, most lining projects have large, relatively flat central sections surrounded by steeper perimeter slopes. Each of these areas has the same stringent hydraulic performance requirements but very different shear strength requirements.

Landfill Liners - Within a landfill composite liner system, GCLs are an equivalent replacement for all or part of the traditional compacted clay component. GCLs effectively minimize system leakage by providing "intimate contact" with the overlying geomembrane, outperforming a compacted clay-based composite liner system.  CETCO GCLs provide simple, cost-effective installation, with superior hydraulic performance.

Secondary Containment - Because of the ease of installation, flexibility, and reasonable cost, CETCO GCLs are excellent for secondary containment of above-grade fuel storage tanks.  The details and penetrations typically found at such sites are easily and cost effectively constructed using GCLs and accessory bentonite or bentonite mastic.

Surface Impoundments - CETCO GCLs are widely used in decorative lakes, aeration lagoons, fly ash lagoons, and other surface impoundments. Because they do not require specialized equipment or labor, GCLs can be installed with minimal instruction and supervision.

Landfill Covers - GCLs are ideal for landfill cover systems, both as the sole hydraulic barrier component and as part of a composite system underlying a geomembrane. GCLs resist damage due to freeze-thaw, desiccation cycling, and differential settlement, all of which can damage traditional compacted clay liners.

Ferguson Waterworks Geosynthetics 

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