However, clay is also brittle. Over 50–100 years, roots invade the joints, the pipes crack from ground shifting, and the bottom half of the pipe often erodes away.
A hydraulic machine pulls the rod back toward the house. The bursting head shatters the clay pipe outward. As the head moves, the new pipe glides into the exact path of the old one. replacing clay sewer pipe without digging
A plumber sends a sewer camera down your cleanout. They confirm the clay is cracked and locate the exact start and end points. However, clay is also brittle