Cured-in-situation pipe (CIPP) lining kinds a seamless, jointless barrier internal your existing sewer
https://timebusinessnews.com/7-reasons-why-switching-to-trenchless-sewerline-replacement-is-great/
Cured-in-area pipe (CIPP) lining forms a unbroken, jointless barrier internal your current sewer, sealing leaks and fighting long term root intrusion, pretty much accomplished in a single day with much less noise, airborne dirt and dust, and particles.