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Blocked drain symptoms tell you where to start, but recurring faults need evidence. Restore safe flow first, then use CCTV and locating when roots or pipe damage may change the repair decision.
What a drain camera can identify
A clear camera run can reveal root entry, cracks, displaced joints, deformation, debris, foreign objects and some collapsed sections. It also shows how far into the line a defect appears.
Why the drain may need clearing first
A camera cannot provide useful pictures through dirty water or a solid obstruction. Clearing enough of the line lets the camera travel and reduces the chance that the real pipe condition stays hidden.
When CCTV is most valuable
Use it for recurring blockages, suspected structural damage, locating a repair, assessing a relining option or confirming pipe condition after the line is cleaned.
Locating the defect above ground
A sonde in the camera head can be tracked from the surface in suitable conditions. This helps mark the approximate location and depth before targeted excavation or access work.
Questions to ask about the result
Ask what caused the blockage, whether the pipe itself is damaged, which section is affected, whether the problem is likely to return and what evidence supports the recommended repair.
Need help with the drain?
Johnny Drains provides 24/7 blocked drain clearing, CCTV inspections, high-pressure jetting, pipe relining and targeted repairs across the Northern Beaches and Lower North Shore.
