How CIPP Pipe Lining and Relining Works

Cured-In-Place Pipe Lining (CIPP) is a process of cast iron pipe lining to help repair a sewer pipe that is cracked or damaged. The sewer pipe lining process begins with a camera inspection to visualize the problem. Next, a lining that has been coated with epoxy is threaded through the pipe. The lining is inflated and allowed to cure overnight. Once the lining hardens, the equipment is removed, and the sewer pipe is ready to use.

Our cured-in-place pipe lining and the relining system works with all lining applications, including your main line and building service laterals. Sewer pipe lining, cast iron pipe lining, you name it, we line it. First, a camera inspection is performed. This is the most crucial step in repairing the sewer line. Our inspection team will provide a video showing the existing state of the line. This will highlight potential problems that will require CIPP pipe lining.

Next, our high-pressure water jet cleans out host pipes using drain cleaner or hydro jetter. The line must first be cleaned of debris in order to provide a proper surface for the liner to stick to. Then a video pipe inspection is performed to determine if the pipes are eligible for cured-in-place pipe. We make use of a polypropylene or polyurethane coated liner that is saturated in resin to expand the pipes without the use of digging. The process utilizes only steam, air or water. The resin is composed of polyester or epoxy and is cured in place during the expansion process by the heat coming from the steam, air or water. The entire process takes about 3 hours. The calibration tube is then removed, leaving behind the new pipe. Afterward, another video inspection is performed to figure out if any further changes need to be made. Once the piping has been restored, it is good for at least another 50 years without extra repairs.