ESI is the Canadian distributor of Wavin Products. Their product line vary from Neofit pipe liners , to the Hepvo waterless traps , to the Wavin rainwater management technology and many other items. Wavin Overseas BV is a large Dutch Company that markets their products to the plumbing industry and specializes in pipe line rebuilding. Their most inovative product to date are the pipe liners and the Self-Sealing Waste Valve (waterless trap). Since the SSWV product is brand new for the North American market place; a standard is currently being developed in the USA and in Canada.  The Self-Sealing Waste Valve is currently being used in the US RV Industry and is allowed in certain cities and states. In the USA an IGC was developed by IAPMO and in Canada the CSA is working on a TIS which eventually will lead to a ORD. Pipe liners rebuilds old water mains, gas and sewer pipe infrastructure. The liners are extruded in a C shape configuration in order to decrease their diameter, after it is pulled into an existing pipe, hot water is pumped into the liner where it expand and is able to fill gaps and break the original pipe. The Neofit is the answer for pipe diameters up to 50 mm.