TerraLine Geosynthetic Clay Liners (GCL) and Geomembranes (GM) are factory made hydraulic barriers used in various applications. TerraLine – GCL consists of very low permeability bentonite powder supported by geotextiles and/or geomembranes. TerraLine – GM is made from HDPE or LLDPE, smooth or textured and they are available in various thicknesses. The engineering function of a TerraLine is containment as a hydraulic barrier to water, leachate or other liquids and sometimes gases.

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