The Only “One-Stop-Shop” Solution For Drains and Potable Water Pipe Rehabilitation. Nu Flow manufactures and installs innovative, environmentally friendly technology to rehabilitate the inner infrastructure of deteriorated or failing pipeline systems. Pipe lining restoration is a non-invasive procedure that uses epoxy to coat the inside walls of pipes or create a long-term protective pipe inside host piping systems, without destruction to interior or exterior surfaces of structures or landscapes. Nu Flow offers total inside infrastructure clean water solutions.