Geosynthetic Clay Liner (Sodium Bentonite Waterproofing Layer) is a geocomposite made of a layer of sodium bentonite encapsulated between two geotextile layers to form a liner for numerous fluid containment and water barrier application. It provides reliable waterproofing and water containment for landscaping applications, including podium/ rooftop gardens, artificial ponds, lakes, and zero irrigation systems (ZIS).