Yup, I have. I have also seen cured in place pipeliner [0], and I have even been inside a 100+ year old 1.8m oviform pipe that has been lined! [0] - https://en

Yup, I have. I have also seen cured in place pipeliner [0], and I have even been inside a 100+ year old 1.8m oviform pipe that has been lined! [0] - https://en.wikipedia.org/wiki/Cured-in-place_pipe https://en.wikipedia.org/wiki/Cured-in-place_pipe