DuPont™ Plantex® RootBarrier material is a coated non-woven structure consisting of a very durable waterproof layer made of polypropylene fabric covered with a special coating. Plantex® Rootbarier is ideal in preventing an invasive development of plant roots. It also protects underground draining systems, as well as sewage, pipe and cable systems from an invasive root growth and damage caused by the roots.