Root growth beside a repaired joint does not automatically mean it crossed the liner. The sealed opening and every untreated joint are separate routes, so new growth has to be located before the earlier repair is blamed.
The distinction is important. Root cutting clears growth; lining seals the selected entry point. Keep the earlier location and repair limits so any later blockage can be compared with the treated joint instead of being assumed to be the same failure. That is why the answer to can tree roots return after drain relining depends on the whole inspected route, not one repaired joint.
The repaired opening is only one part of the drain
Roots seek moisture and exploit openings in damaged drains. Once fine growth reaches the bore, it can thicken and trap passing waste. Cutting restores flow, but the same point remains attractive until the crack, joint or connection is sealed or replaced.
After the roots are cut out, the camera should continue past the cluster and inspect the next joints. That reveals whether growth entered through one crack or several openings along the run before a root-ingress repair is defined.
Untreated joints, branches and nearby root entry
- Root cutting removes growth from the bore.
- Patch lining treats one local suitable opening.
- A continuous liner covers a longer defined run.
- Severe displacement or collapse may need direct replacement.
- Untreated branches and joints remain separate parts of the drainage system.
Repair the opening, then keep the wider route under review
Remove
Clear growth without losing track of where it was concentrated.
Reveal the pipe condition
Camera the cleaned surface and neighbouring joints from known access points.
Seal the root entry
Line supportable defects and replace sections that cannot take an internal repair.
Keep the survey and completion footage
The post-work record should identify the sealed opening and any nearby joint left untreated. That gives the next inspection a clear comparison if roots appear elsewhere.
What to watch after the repair
Persistent slow flow deserves investigation, but it does not prove roots crossed the liner. The fault may sit upstream, downstream or in a branch. Compare the new position with the earlier repair limits.
Read about local patch repairs, or send us footage of suspected root entry for an assessment.
Untreated joints remain separate entry points
A repaired joint should no longer offer the same root entry point. If growth returns, inspect for another opening or damage beyond the limits of the earlier repair.
Nearby joints need their own camera view. If they are sound, extending the liner through them adds repair length without addressing another root-entry point.
Tree management after drainage repair. Drainage repair and tree management are separate decisions. Seek appropriate advice before doing anything to an established tree.