Geosynthetic Clay Liner

Four basic functions are defined for the geotextile:

Bentofix Thermal Lock® Geosynthetic Clay Liners consist of:

• a carrier layer, which is comprised of a woven, slit film geotextile, incorporated into a non-woven, needle punched, polypropylene or high density polyethylene geotextile, forming a woven/non-woven, composite;
• a natural sodium rich bentonite layer and,
• a cover layer, comprised of non-woven, needle punched synthetic fibers.

The final product consists of two geotextiles, at least one of which is a needled non-woven, used to permanently sandwich a layer of high quality sodium bentonite. Bentofix Thermal Lock® is now manufactured by a joint venture between National Seal of the United States, Naue-Fasertechnik of Germany and Terrafix of Canada. This joint venture brings Albarrie to the forefront of the geosynthetic manufacturing industry.

Applications

	Composite Lining Systems For waste and liquids containment, the most effective liners are comprised of geomembrane/low permeability soil composites. In addition, the primary benefit of geomembrane/clay composite is derived from intimate contact of two layers. Bentofix Thermal Lock® GCLs provide all of the benefits of the geomembrane/clay interface without the significant difficulties inherent in the placement of multi-lift clay liners.
	Waterproof Layers Adjacent to basement walls and other structures, Bentofix Thermal Lock® GCLs provide a positive barrier to water which can accumulate behind the wall, allowing removal of the water through a properly designed drain behind the wall.
	Spill Containment Systems Bentofix Thermal Lock® GCLs provide an effective temporary barrier for spills from aboveground tank storage of petroleum products or other potential contaminants allowing total and rapid recovery of spilled materials.
	Single-component Lining Systems Bentofix Thermal Lock® GCLs can be utilized as stand alone liners for ponds containing potable or storm water (not subject to toxic containment constraints), artificial lakes, landfill cap systems, mine tailing compounds, earth dams and canal lining systems.
	Geomembrane Cushion/Protective Layers Bentofix Thermal Lock® GCLs can be used as a cushion/protective layer above geomembranes, providing superior protection to thick, non-woven geotextile cushions, particularly in cases where coarse drainage, and granular drainage layers overlie the liners.

 

 

 

 

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