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Drain Clearing

Blocked Drains & Sewer

Professional drain clearing, sewer fault diagnosis and stubborn blockage solutions for homes and businesses.

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Prime Flow Plumbing - Blocked Drains & Sewer
Professional Service

Blocked Drains & Sewer by Prime Flow

Slow drains, recurring blockages and sewage smells usually point to a deeper restriction in the waste line. Prime Flow clears the blockage and checks the likely cause so the problem is less likely to return.

What we help with

Kitchen and bathroom blockages
Main sewer line problems
Tree-root and debris restrictions
Recurring slow drainage

Before the plumber arrives

  • Avoid repeatedly pouring harsh chemicals into a blocked line.
  • If sewage is backing up, stop using affected fixtures.
  • Tell us whether one drain or multiple fixtures are affected.

More Prime Flow services

Emergency Plumbing24/7 ResponseGeyser Repairs & InstallationHot WaterBurst Pipe RepairUrgent RepairLeak DetectionNon-InvasiveBathroom RenovationsUpgrade Work

Need blocked drains & sewer?

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Worth Knowing

Blocked, or damaged? They are not the same problem

A drain that blocks once is usually a build-up. A drain that blocks every few months is telling you something structural: roots in a joint, a collapsed section, a bellied run holding water, or a gradient that was never right. Rodding clears the first. It only buys time on the second.

That distinction is worth insisting on before paying for a repair, because it changes the cost by an order of magnitude. A camera inspection answers it directly — you see the inside of the line rather than guessing from how the water behaves.

Usual causes in Gauteng properties

  • Root intrusion into older clay sewer joints
  • Fat and grease in kitchen waste lines
  • Wet wipes and sanitary products — the most common avoidable cause
  • Collapsed or cracked sections in ageing lines
  • Gradient problems on long runs

Methods, and when each applies

  • Rodding — fast, effective on soft build-ups
  • High-pressure jetting — grease, scale and root hair
  • Camera inspection — when a blockage keeps returning
  • Excavation and repair — only once the fault is confirmed

If a drain has been cleared more than twice in a year, stop paying to clear it and pay once to look inside it. The inspection usually costs less than the third clearing.

Common questions

The same drain blocks every few months. Why?

Almost always roots or a damaged section rather than a build-up. A camera inspection shows which, and it turns an open-ended cycle of clearing into a defined repair.

Are chemical drain cleaners worth using?

Rarely, and they can make things worse. They do little against roots or a collapsed pipe, and caustic products sitting in an old line can damage it further. They also make the line unpleasant to work on afterwards.

Who pays if the blockage is in the municipal line?

If the fault is past your boundary connection it is the municipality's. Establishing where the blockage sits is part of the diagnosis, and it is worth knowing before you pay for work on your side.

Google Reviews

What Prime Flow customers say

Real reviews from Prime Flow's Google Business Profile, shown exactly as written.

G4.9★★★★★26 Google reviewsRead them on Google
★★★★★

“Excellent service from Prime Flow Plumbing. They responded quickly, arrived on time, and completed the work professionally. The team was knowledgeable and explained everything clearly.”

J
Jay Nyamz2 months ago · Google review
★★★★★

“Good and recommended people. Clean job”

L
lilpanda Patridge2 months ago · Google review
★★★★★

“Great service! Quick response and honestly going the extra mile! Not to mention affordable.”

W
Werner Barnard2 weeks ago · Google review