Repaired from inside the existing pipe, on the stormwater line as readily as on the sewer, and without opening an established garden to do it.
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Relining is well understood as a sewer repair. A resin sleeve is drawn through the existing pipe and cured hard in place, the defect is sealed, and nothing above ground is disturbed.
The same method works on a stormwater line, and hardly anybody is ever offered it. Not because it does not work, but because of a gap earlier in the chain: stormwater lines almost never get inspected, so defects in them almost never get found, so nobody reaches the point of discussing a repair.
It is worth closing that gap on a property with an established garden. A failed stormwater line puts a serious volume of roof water into the ground beside the house every time it rains, and the alternative to lining it is trenching the whole length through whatever has grown over it in the intervening decades.
So we film both systems, and where a stormwater line has a defect that suits a liner, we say so. Where it has collapsed, we say that instead, because a liner will not rescue a pipe that has lost its shape and pretending otherwise wastes your money.
Ask for the stormwater line to be filmed. If it has a defect, lining it is very often the cheaper half of the comparison.
A resin sleeve cured in place works the same in a stormwater line as it does in sewer. Same material, same process, same design life.
Almost nobody offers it on stormwater, and the reason is not technical. It is that almost nobody films stormwater, so the defects never get found.
This page exists because that is a gap rather than a limitation.
A failed stormwater line delivers it into the ground beside the house, thousands of litres at a time, every time it rains properly.
That is the thing worth fixing. Not a tidiness problem, and not something that only matters in a storm, because the storms come every year.
On a sloping block with an established garden it can go on for a very long time before anybody connects the consequence to the cause.
The line is cleaned and filmed, a resin-saturated liner is drawn through it, and air pressure holds it against the inside wall while it cures.
When it has set you have a continuous jointless pipe inside the original, slightly smaller in bore and considerably smoother.
All of it is done through an existing access point. No trench, no reinstatement, and nothing above the pipe disturbed.
And on a property where the planting is decades old, that is the expensive option even though the pipe itself is cheap.
Cutting, excavating, backfilling and reinstating is where an excavation quote goes, and the reinstatement of a mature garden is the part that cannot really be priced.
So the honest comparison is liner against pipe plus everything above it, not liner against pipe.
Reaching a drain by trench, on a property where a mature tree sits over the line, means cutting structural roots. That has consequences for the tree that show up over the following seasons.
It may also not be your decision alone. Significant trees are frequently protected, and damaging one is a matter for the council rather than for a contractor on the day.
A liner never breaks the surface, so none of that arises. The drain gets repaired and the tree is not involved.
Not through sound pipe. They find an opening that has already moved, and older jointed lines offer one every metre to try.
A liner seals the run end to end and takes away the opening, which is the difference between removing the mechanism and cutting out this season's growth.
That distinction is the reason a liner has a design life and a clearing visit has a schedule.
Relining does the first. It puts a continuous new surface inside the existing run and removes every joint along it.
It cannot do the second. Route and gradient are inherited from the host pipe, settled sections included.
So the question the survey has to answer first is whether the problem is the pipe's condition or the pipe's position. Only one of those has a no-dig answer.
A pipe that has lost its shape or its grade needs that section replaced. A liner needs a host holding roughly its original form.
A short open replacement plus a liner over the remainder is a common and sensible outcome rather than a compromise, and it keeps the opening to one place.
On stormwater, crushing from something driven over a shallow line is the usual cause of that rather than age.
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.
A dig price that stops at backfill is not a finished job in a garden like this, and a liner price that does not say how many metres is not a price.
If a quote only offers one method, ask what the other one would cost. The answer is usually informative.
Before and after, plus a written account of what was found and what was done. Yours whatever it shows.
On a stormwater line that is worth more than usual, because it is the only survey of that system anybody has ever done on the property.
Worth filing with the property papers rather than in a folder of receipts, and worth handing on at sale.
Fixed price agreed before anything starts. These are indicative 2026 ranges.
Sewer or stormwater, deducted from the job if you proceed.
Where one short length is genuinely the whole problem.
Priced on length and access rather than by the hour.
Reopened from inside once the liner has cured.
Where a collapse makes a liner the wrong answer.
The one causing trouble, and the one nobody has ever looked at, because a defect you have not found is not a defect you can fix.
Liner or replacement, with the recording behind the recommendation rather than an opinion.
The pipe prepared, the liner installed and cured in place, and any junctions reopened.
So you can see the finished surface, and the garden above it looks exactly as it did when we arrived.
Get both lines filmed before anybody starts. It regularly changes which system is at fault as well as what it costs.
Call 1300 381 569It can, and the method is identical. A resin sleeve is drawn through the existing pipe and cured hard in place. The reason people assume otherwise is simply that stormwater lines almost never get filmed, so defects in them almost never get found, so nobody is offered the repair.
Because a failed stormwater line puts a large volume of roof water into the ground beside the house every time it rains. That is not a nuisance you can wait out, and the alternative to lining it is trenching the length of it through whatever is on top.
The old pipe becomes the mould. A resin sleeve goes through it and cures hard, sealing the defect and bridging any joint that has opened, and what you are left with is continuous with no entry point.
The material is rated at around fifty years. More usefully, the repair is continuous, so there is no joint left anywhere along the lined length.
By a couple of millimetres, and it rarely matters. The new inner surface is smoother than the original, so flow generally ends up the same or better.
No. A pipe that has collapsed, lost its shape or dropped out of grade needs that section replaced. The footage settles which of those you have before you commit to a method.
A patch over a single defect is $1,500 to $2,500. A full section is $4,000 to $9,000 depending on length and access. The camera inspection is $250 to $450, sewer or stormwater, and comes off the job if you proceed.
Tell us which system is misbehaving if you know, and whether it only does it after rain. That answer decides which line we film first.
Sealed from the inside, sewer or stormwater, with the garden left standing.
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