Pool Pipe Relining
No-dig pool pipe relining across Cornwall & Devon. The pipe fixed from the inside, the garden untouched.
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Pool pipe relining in Cornwall & Devon
Leaking underground pool pipework repaired from the inside, with no digging. Epoxy coatings and pulled-in-place resin liners for the small-bore pipes your pool runs on, from a local leak specialist.
📞 Call now: 07822 025 911Pool pipe relining repairs a leaking underground pool pipe from the inside, with no excavation. DCI Leak Detection relines small-bore pool pipework across Cornwall and Devon using epoxy coatings and resin liners pulled into place and cured inside the existing pipe. Camera inspection plus pressure and vacuum testing confirm the fault first and prove the repair afterwards. Fixed pricing, no call-out fees.
The worst place for a pool to leak is the one place you cannot see: the buried suction and return lines running under the surround, the patio and the lawn. The old answer was grim: dig on a hunch, break paving, and hope the leak was under the first hole rather than the third. Relining ends that trade-off. The pipe is repaired from the inside, through its existing ends, and the garden never knows we were there.
We have spent more than 30 years finding leaks across Cornwall and Devon, and buried pool pipework is one of the most common places we find them. Relining is how we fix those lines without turning a leak repair into a landscaping project.
🔎 What pool pipe relining actually is
Relining builds a new pipe inside the old one. After the line is cleaned and prepared, we repair it one of two ways:
| Method | How it works | Best for |
|---|---|---|
| Epoxy pipe coating | An epoxy resin is applied through the inside of the pipe, coating the pipe wall and sealing pinholes, hairline cracks and weeping joints as it cures | Lines with minor, spread-out defects and leaking joints |
| Pulled-in-place resin liner | A resin-saturated liner is pulled into position inside the pipe, pressed against the pipe wall and cured hard, forming a continuous new pipe within the old one | Localised failures and lines needing a full new inner wall |
The trade name for this family of techniques is cured-in-place pipe, or CIPP. You do not need to remember that. What matters is the result: the joints, cracks and pinholes that were letting water escape are sealed behind a new, continuous lining, and the water stays in the pipe.
Both methods were chosen for the pipework pools actually have: small-bore plastic lines with bends, tees and long buried runs between the pool and the plant room. This is not drain-sized kit scaled down; it is small-bore relining, which is exactly what pool circuits need.
💥 Why buried pool pipes fail
Pool pipework fails in predictable ways: solvent-weld glue joints let go, ground movement stresses long runs, fittings crack where pipe meets skimmer or return, and hard winters find any water left standing in the line. The South West adds its own pressures, with clay soils that swell and shrink through the year and coastal ground that never quite sits still.
However it starts, a buried pipe leak does not stay small. Escaping water erodes the ground around the line, which lets the pipe move, which opens the leak further. It also quietly undermines pool surrounds and paving. The sooner a failing line is relined, the smaller the job stays.
🔍 Diagnose first: camera, pressure and vacuum
We never reline blind. Every job starts with the detection work that tells us exactly which line is leaking and where:
Isolate and test
Each suction and return line is isolated, then put under specialised pressure testing and vacuum testing. The line that will not hold tells us where the problem lives.
Camera inspection
A small camera travels the inside of the line, showing us the cracked joint, failed weld or damaged section, and confirming the pipe is sound enough to reline.
Clean and prepare
The line is cleaned and dried so the resin bonds to the pipe wall properly. Preparation is most of what separates a lasting reline from a short-lived one.
Coat or line
Epoxy coating or a pulled-in-place resin liner, chosen for that line’s material, size and fault, is installed through the existing pipe ends and cured in place.
Prove it
The relined line is re-tested with the same pressure and vacuum testing that diagnosed it. The before-and-after results go in your report.
The diagnosis stage is the same kit as our swimming pool leak detection surveys, backed by tracer gas and acoustic detection where a line needs pinpointing under ground first.
⚖️ Relining or digging: an honest answer
Relining is not always the right call, and we will tell you when it is not. A pipe that is collapsed, crushed or badly deformed cannot be lined; it needs the failed section excavated and replaced, and because we pinpoint first, that means one precise dig rather than an exploratory trench. Everything else being equal, though, relining wins where the line runs under paving, decking, buildings or established gardens, because the repair happens through the pipe ends and there is nothing to reinstate afterwards.
That reinstatement point is the quiet cost most quotes leave out. Digging up a pipe is only half a job; relaying the patio over it is the other half. Relining removes both halves. It is the same logic as the rest of our swimming pool repairs work: fix the fault with the least disturbance the fault allows.
🏨 Cornwall and Devon pools, kept open
Most of the pools we work on here earn their living: holiday lets, hotels, campsites and holiday parks where a drained pool and a dug-up terrace mid-season is unthinkable. Relining suits them because the pool normally stays full, the work is contained to the plant room and pipe ends, and guests can often keep swimming around the works. We schedule around changeovers and report back with photographs and test results, wherever you manage the property from.
✅ Fix the pipe, keep the patio
If your pool is losing water through its pipework, one visit can confirm the line, reline it and prove the repair, without a digger in sight.
Call Dickie on 07822 025 911
Fixed prices agreed up front and no call-out fees across Cornwall and Devon. Detection carries No Find, No Fee on residential work (subject to terms). You can also email hello@dcileakdetection.co.uk or use the quote form above.
📞 07822 025 911📍 Find us in Cornwall & Devon
🔧 Pool pipe relining across Cornwall & Devon
Frequently Asked Questions About Pool Pipe Relining
What is pool pipe relining?
Pool pipe relining repairs a leaking underground pool pipe from the inside. A resin liner is pulled into place inside the existing pipe, or an epoxy coating is applied to the pipe wall, then cured hard. The result is a new sealed pipe inside the old one, with no excavation.
Is relining as strong as replacing the pipe?
A cured liner forms a continuous new pipe wall that seals the joints and cracks that were leaking. For sound but leaking lines it is a long-term repair. Where a pipe is collapsed, crushed or badly deformed, relining is the wrong tool and we quote a targeted excavation instead.
Can you reline small pool pipes with bends in them?
Pool circuits are small-bore pipework with bends, and that is exactly what our relining methods are chosen for. We camera-inspect and test each line first, and if a particular run is not suitable for relining we tell you before any work starts.
Do you have to dig up my patio or garden?
No, that is the point of relining. The work happens through the existing pipe ends at the pool and the plant room. Reinstatement costs, broken paving and wrecked lawns are what this method exists to avoid.
Does the pool need to be drained?
Usually not. Relining works on the pipe circuit, which we isolate from the pool, so the pool normally stays full while we work.
How do I know the relined pipe is sealed?
We prove it. Every relined line is re-tested with the same specialised pressure and vacuum testing that diagnosed it, and the before-and-after results go in your report.
Is relining cheaper than digging the pipe up?
Often, once you count the whole job. Excavation carries reinstatement costs: paving, decking or landscaping to put back after the pipe is fixed. Relining removes that second half of the bill because nothing is dug up. Where a line could go either way, we quote both routes honestly.