Flow-Liner® Systems, Ltd. manufacture and supply innovative systems, equipment and products to rehabilitate utility piping, underground ducts, and conduits for both inside and outside of commercial and residential buildings. Flow-Liner® specializes in water, sewer, utility, and HVAC re-lining systems. Our pipe, underground duct, and conduit lining materials, as well as our plastic manholes and chambers, are tested to a minimum life expectancy of 50+ years. We have non-invasive cost effective solutions for our customers.