Sliplining is a technique for repairing leaks or restoring structural stability to an existing pipeline. It involves installing a smaller, "carrier pipe" into a larger "host pipe", grouting the annular space between the two pipes, and sealing the ends. Sliplining has been used since the 1940s.

How does pipe relining work?

Pipe relining attempts to repair your pipes by curing them from the inside using a special resin, which cures with time in order to form another strong (in some cases, even stronger than the original) pipe. ... This resin then hardens and forms another pipe within the damaged pipe.

What is pipe reline?

Pipe relining is a way of repairing cracked or broken pipes from the inside, without digging. Essentially, it means creating a new, tough pipe inside the existing damaged one, promoting a better flow and sealing off cracks.