This new technology allows for the repair of old sewage lines without excavation. A system known as trenchless pipe (sewer line) repair and lining involves digging a small hole down to the old line and coating the inside in an epoxy. The epoxy cures to a plastic that is just as thick as a modern sewer line. It does not mitigate flow, can be installed any time of the year and lasts a lifetime.
The process also costs about the same as a traditional sewer line replacement. Homeowners who would otherwise need to replace a driveway, retaining wall or landscaping can thus save tens of thousands of dollars.