A resin liner cured inside the existing drain, sealing every joint. On a pumped property that is not just a drain repair, it is what keeps material out of the machine.
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Relining is normally argued as a drainage repair. Seal the joints, stop the roots, no trench. All true, and on a conventional property that is the whole case.
Where the property is pumped there is a second and more expensive reason. Everything the gravity line collects goes to the pump well, and from there into the impeller.
So roots and silt entering through open joints are not just building toward a blockage. They are travelling to a machine, and material in an impeller is a mechanical repair rather than a clean-out.
That is why we look at the gravity line when a pump has started behaving oddly. Running longer than it used to, cycling more often, tripping out and needing a reset. Those are symptoms of what the line is delivering, and the reset is free while the failure is not.
That is worth a camera on the gravity line rather than another reset. It is usually telling you what it is being fed.
Lines assembled from short lengths have a join every metre or so, and each is a place where the ground can move a fraction and open a gap.
Roots come in through those gaps, and so does soil and silt. On a gravity property that is a slow nuisance that eventually becomes a blockage.
On a pumped property it is something else entirely, which is the subject of the next block.
The gravity line delivers to the pump well, and what is in the well goes through the machine. Roots, grit and debris that entered upstream all end up at the impeller.
So the condition of the gravity line upstream is not just a drainage question here. It decides what the pump is being asked to survive.
That is a genuinely different reason to care about an old jointed line, and it is specific to this kind of property.
Running longer, cycling more often, or tripping out and needing a reset. All of those are the machine telling you it is working harder than it should.
People read that as a pump reaching the end of its life, and replace it. Occasionally that is right and frequently it is treating the symptom.
A camera up the gravity line answers which, and it is worth doing before buying a pump.
Cured in place it is continuous along the lined section, so there is nothing left for roots to enter through and nothing for silt to wash in past.
On a pumped property that is not only a drainage repair. It reduces what arrives at the machine, which is where the money actually goes.
That is the specific argument for relining here, and it is different from the usual one about avoiding a trench.
A flexible liner carrying resin is drawn into the pipe, pressed outward against the inside wall, and left until the resin hardens into shape.
The finished item is a continuous jointless pipe sitting inside the old one, a little narrower and a good deal smoother than what it replaced.
No excavation is involved. The work is done from an opening that is already there, which is most of the point.
Pressurised pipework is assessed and repaired differently from a gravity line, and the main from the pump up to the discharge point is pressurised.
So a survey of the gravity line does not tell you about the rising main, and the two get looked at separately.
It is worth being clear which one a quote covers, because they are not interchangeable and the prices are not comparable.
It restores the pipe. It cannot change the gradient the pipe was laid at, because the liner takes the shape of the host it cures inside, settled sections included.
On the low ground where a pump was needed in the first place, fall was marginal to begin with, so a settled section matters more than it would elsewhere.
Grade gets checked from the footage before a quote is written, and where it is the problem we will say so.
A liner needs a host holding roughly its original shape to be formed inside. A crushed length has nothing to form against and has to come out.
On a steep terraced block, keeping that excavation to one small place is worth a great deal, which is why locating precisely matters here.
A short open repair plus a liner over the remainder is a common and sensible outcome rather than a compromise.
The liner passes over each branch connection on the way in and each is cut back open from inside once the resin has set. Routine, and confirmed on camera.
A missed one stops the branch it serves draining, which is immediately obvious rather than a hidden defect.
On a house extended down a slope over decades, the junctions are where later work met the original, so they get a close look on the before footage too.
You should be able to compare, so both figures come together for the same defect, with the length in metres and what each includes for putting the surface back.
On a terraced garden with stone and established planting, the reinstatement side of an excavation quote is frequently larger than the drainage work itself.
If a quote offers only one method, ask what the other would cost.
Quoted at a fixed price off the camera footage. These are indicative 2026 ranges, with the excavation alternative priced alongside so the comparison is honest.
Footage handed over. Credited against the reline if you go ahead.
One failed joint or a short damaged length, sealed without touching the rest.
Priced on length, diameter and how many bends the run has in it.
The line taken back to clean wall so the liner forms properly against it.
On a pumped property. What the machine has been doing, and what the line is feeding it.
Filmed and handed over before anyone quotes, because what is getting in is the whole question.
How long it runs and how often it cycles, because that is the line reporting on itself.
Roots cut and the line taken back to clean wall, then the liner drawn through and cured. Nothing excavated.
The finished run recorded end to end so you can see every joint is sealed.
Those two together are usually one problem. A camera on the gravity line will show you which way round it is.
Call 1300 381 569A resin-soaked liner is drawn through the existing drain, inflated so it presses against the pipe wall along the whole length, then cured until it hardens. What results is a continuous pipe formed inside the old one, with no joints along the lined section. Joints are where roots get in and where debris enters, so removing them is the point. The old pipe stays where it is and acts as the mould, so nothing above ground is disturbed.
Because everything the gravity line collects ends up in the machine. On a conventional property, roots and silt entering through open joints are a nuisance that eventually causes a blockage. On a pumped one they travel to the pump well and then into the impeller. That turns a drainage problem into a mechanical one, which costs more and takes longer. Sealing the line upstream is genuinely protecting the pump, not just tidying up the drain.
The pump usually tells you before it fails outright. It runs longer than it used to, or cycles more often, or trips out and needs resetting. Any of those is worth investigating rather than reset-and-forget, because the reset is free and the eventual failure is not. A camera on the gravity line will show whether material is getting in and where.
Usually. What rules it out is a section that has genuinely collapsed or been crushed, or one so far gone there is nothing left to press against. A camera settles it before anyone quotes, and the footage is handed over either way. If lining will not work we say so rather than selling you one that fails.
Considerably less than the alternative. A sectional patch takes hours, a full run generally most of a working day, and it goes in through existing access points. On a property with this much level change, excavating a run is a far bigger undertaking than on flat ground, which makes no-dig worth more here than the usual tidiness argument suggests.
That is a different piece of pipework and a different conversation. A rising main is pressurised rather than gravity-fed, so it is assessed and repaired differently. What we reline is the gravity portion, which is the part that collects and delivers, and it is the part where open joints let material in.
A sectional patch over one failed joint is about $900 to $2,200. A full run is usually $3,500 to $7,000 depending on length, diameter and bends. A camera inspection is $250 to $450 and comes off the reline if you proceed. On a pumped property we will also tell you what the pump has been doing, because that is half the reason to bother.
Tell us whether the property is on a pump and how the pump has been behaving. On this side of the harbour those two facts usually belong in the same conversation.
Quoted off the footage, excavation priced alongside, and a report on what the pump has been doing while we were there.
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