当某些因素存在时，滑动可以成为最经济的选择，例如:外部腐蚀；大直径坑；裂缝和接缝分离；临时解决方案，以便有时间在生长区域安装更大的干管。本文比较了滑动作为水泥衬砌的替代方案。

Sliplining can become the most economical alternative when certain factors are in place, such as: external corrosion; large diameter pits; cracks and joint separations; temporary solution to allow time to install a larger main to a growing area. This paper compares sliplining as an alternative to cement lining.