PIS which stands for Plastic InfusedSoil, is a project that seeks to harness the power of polyethene plastics and aggregate(sand) to make a material that is impermeable to water and can thus be used as a liner for fish ponds, irrigation canals and earth dams as an eco-friendlier, durable and cheaper alternative to the conventional geomembrane used for fish ponds and concrete lining for irrigation canals.