Drain clearance removes an obstruction so wastewater can pass through the affected pipe again. We establish where the restriction is likely to be and choose a method suited to the pipe, access and material causing the blockage.
Drain Clearance
Drain clearance removes an obstruction so wastewater can pass through the affected pipe again.
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Removing the restriction
A narrow opening through grease or silt may restore some flow while leaving a substantial deposit behind.
Checking the result
Flow checks show whether the immediate blockage has cleared and whether further cleaning or investigation is justified.
Removing the obstruction properly
Rods or a mechanical cable may break through a local blockage, while deposits along the pipe can need more extensive cleaning. Creating a small opening through grease or silt may restore some flow without removing enough material to prevent another blockage.
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Checking the result after clearance
We test the affected drainage after the obstruction has been removed. A damaged connection, heavy remaining deposit or section that could not be inspected remains a separate concern even when water is moving again.
Clearance and CCTV inspection are different
A camera used during clearance may only show the section being worked on. A recorded condition survey is separate work and may be needed after water levels fall or deposits are removed.
Drain Clearance: common questions
Does drain clearance include a full CCTV survey?
No. A recorded condition survey is separate work unless it is included in the agreed job.
Can loosened material block the drain again further downstream?
It can. The clearance method needs to account for where dislodged material will go and whether it needs recovering.
What if the drain blocks again soon after clearance?
A quick recurrence can indicate retained deposits, another obstruction or damaged pipework and deserves further investigation.
Why can a drain still be restricted after water starts flowing?
A small opening through a deposit can pass water while much of the pipe bore remains narrowed.
Can a cleared drain still need repair?
Yes. Clearance removes material; cracks, displacement or failed joints remain structural issues.