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Repairing pipes without breaking anything: the ultimate guide to relining

Repairing broken pipes without resorting to demolition is possible thanks to relining, a no-dig technology that allows the pipeline to be reconstructed from the inside by inserting a thermosetting resin liner. This method eliminates the need to break walls, floors, or dig up the garden, reducing intervention times by 50% and significantly cutting costs related to restoring building surfaces.

Repairing pipes without breaking anything: the ultimate guide to relining
08/04/2026 14:25

Why choose relining over traditional excavation

The main challenge for those dealing with a leak is the disruption caused by the worksite. Comparing traditional techniques with relining highlights substantial differences:

  • no invasiveness: no walls are demolished, nor are floors or road surfaces removed.
  • speed of execution: most interventions are completed within a single working day.
  • structural strength: the new “internal pipe” is often stronger and smoother than the original, improving fluid flow.
  • sustainability: less rubble and debris are produced, reducing the environmental impact of the worksite.


Technical comparison: relining vs traditional repair

To understand which solution is more convenient for your case (whether it’s an apartment or an industrial warehouse), here is a comparison table:



Repair with demolitionRelining (no-dig)
Surface damageRequired and often extensive None (existing access points are used)
Average time3–7 working days12–24 hours
Restoration costsHigh (mason, tiler, painter) None
Guaranteed lifespanVaries depending on materialsOver 50 years
Noise disruptionHigh (jackhammers) Minimal

How the no-dig repair process works: 4 steps

The no-dig method follows a rigorous technical protocol to ensure maximum sealing:

  1. Preliminary video inspection: a high-resolution camera identifies the exact location of the break and the condition of the pipe.
  2. Cleaning and preparation: the pipeline is cleaned with hydrodynamic tools to remove scale or debris that would prevent resin adhesion.
  3. Liner insertion: a flexible tube impregnated with special resin is inserted into the existing pipe using air or water pressure.
  4. Curing (hardening): the resin is hardened (often using UV light or hot water), creating a new structural pipe inside the old one.

The expert’s advice

Relining is not just a patch, but a true structural rehabilitation. It is especially suitable for apartment buildings where breaking entrance floors or load-bearing walls would involve significant costs and permits.

Want to learn more about how this technology can save your floors? Discover the technical details of our no-dig rehabilitation service and request a consultation for your system.

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