Pozidrain is a thin, high strength preformed drainage (or gas vent) geocomposite consisting of a HDPE cuspated core laminated to a geotextile filter. The geotextile is laminated either onto the dimpled side or in many cases both sides of the drainage core.
Pozidrain when laid forms a blanket (horizontal, sloping or vertical) to collect and transmit water or gas from the surrounding ground into adjacent ditches or pipes. Pozidrain also protects geomembrane liners from physical damage by the backfill. Pozidrain must be finally covered.
In certain applications Pozidrain forms a void and physical barrier that stops the capillary rise of water.
Typical applications are landfill containment and capping, cut-off trenches, capillary breaks, gas vents, highway embankments, drainage at the rear of reinforced earth walls & slopes, etc.