Continuous Sliplining

Published: June 21, 2018 | Last updated: July 5, 2023

What Does Continuous Sliplining Mean?

Continuous sliplining is an alternative form of pipe relining. Instead of a foldable PVC liner, a hard pipe is used to reline a damaged host pipe with a shorter carrier pipe(s) of a smaller diameter. The carrier pipe forms a bridge across the damaged section of the host pipe.

When multiple carrier pipe segments form the bridge, continuous sliplining is also called segmental sliplining.


Trenchlesspedia Explains Continuous Sliplining

After the carrier pipe(s) are inserted into the host pipe, the annular space between them is grouted. This grouting ensures that the water, sewage or other products passing through the carrier pipe infiltrates the space between the carrier and host pipes.

Continuous sliplining can use high-density polyethylene pipes (HDPE), PVC and fiber-reinforced plastic (FRP) pipes as carrier pipes, although, centrifugally cast concrete pipes (CCCP) are also used.


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