PrimeService Plumbing
🚰 Blocked Pipes & Repairs: Causes, DIY Unblocking & When to Call a Plumber
Slow draining sinks, gurgling sounds, or water backing up? Blocked pipes are one of the most common – and frustrating – plumbing problems. Here’s everything you need to know before it becomes a disaster.
10 min read
Blocked Drains, Pipe Repair, DIY
🚨 7 Early Warning Signs Your Pipes Are Blocked
⚠️ If ignored, a simple blockage can lead to burst pipes, flooding, and expensive structural damage.
🔍 Top 6 Causes of Blocked Pipes in Cape Town Homes
Pouring cooking oil down the sink is the fastest way to create a “fatberg” – congealed grease that traps food and debris.
Hair binds with soap residue to form tough clogs. Over time, they harden into a cement-like substance.
Roots seeking moisture can crack old clay or concrete pipes, then grow inside, causing complete blockages.
Children’s toys, sanitary products, wet wipes (“flushable” wipes are NOT flushable), cotton buds, and dental floss.
Cape Town’s water can be hard in some areas. Calcium and limescale deposits narrow pipes over years.
Aging or shifting foundations can crack pipes, allowing soil to enter and completely block flow.
🛠️ 5 DIY Methods to Unblock Pipes (Before Calling a Plumber)
Method 1: Boiling Water
Works for grease blockages. Boil a kettle of water and pour slowly down the drain. Repeat 2-3 times.
Method 2: Baking Soda + Vinegar (Natural Reaction)
Pour 1/2 cup baking soda down the drain, then 1/2 cup white vinegar. Cover for 15 minutes, then flush with boiling water.
Method 3: Plunger (Cup or Flange)
Fill sink with enough water to cover plunger cup. Plunge vigorously 10-15 times. Creates suction and pressure.
Method 4: Drain Snake / Auger (Manual)
Insert into drain and twist to hook debris. Pull out hair and gunk. Available at hardware stores for R150-R300.
Method 5: Remove & Clean P-Trap (Under Sink)
Place bucket underneath. Unscrew curved pipe, clean out debris, reassemble. Watch YouTube tutorials first!
Pro Tip: Never use chemical drain cleaners regularly. They corrode pipes, harm the environment, and are dangerous if splashed. Use as last resort only.
📞 When DIY Fails: Call a Professional Plumber Immediately
- Multiple drains are blocked – Indicates a main sewer line issue.
- Water backs up into other fixtures – Flushing toilet causes water in shower.
- Sewage smell inside or outside home – Could be a broken pipe or vent issue.
- You’ve tried plunging and snaking with no success – Blockage may be deep or solid.
- Gurgling toilets or slow flushing – Air trapped by a blockage.
- Wet spots or sinkholes in garden – Underground pipe burst or collapse.
⚙️ Professional Drain Cleaning: How Plumbers Fix Tough Blockages
Up to 4000 PSI water jets blast away grease, scale, tree roots, and years of buildup. Cleans pipe walls completely. Safe for modern pipes.
A waterproof camera snakes through pipes, transmitting real-time video. Pinpoints exact location, cause, and condition of blockage.
Heavy-duty motorized snakes cut through tough roots and solid blockages that manual augers can’t handle.
For cracked or collapsed pipes, we offer trenchless pipe relining (no digging up your garden) or targeted replacement.
💰 How Much Does Professional Drain Unblocking Cost?
At Prime Service Plumbing, we provide upfront pricing. No surprises.
| Service | Price (approx.) |
|---|---|
| Diagnostic fee (waived if you proceed) | R395 |
| Simple drain unblocking (manual auger) | R450 – R750 |
| Electric auger / rooter service | R750 – R1,200 |
| CCTV drain inspection & report | R850 – R1,500 |
| High-pressure hydro-jetting | R1,200 – R2,500 |
| Tree root removal (specialized) | R1,500 – R3,000 |
| Pipe relining (per meter) | From R2,500/m |
*All work comes with a 6-month warranty. 24/7 emergency callout available.
✅ 7 Proactive Tips to Prevent Blocked Pipes
- Never pour grease, oil, or fat down sinks – pour into a jar and throw in bin.
- Use drain strainers in kitchen sinks, showers, and baths to catch hair and food debris.
- Only flush toilet paper – no wipes (even “flushable”), cotton buds, nappies, or sanitary products.
- Flush drains monthly with boiling water or baking soda + vinegar to prevent buildup.
- Be careful with garbage disposals – avoid fibrous foods (celery, corn husks) and coffee grounds.
- Trim tree roots if you have old clay pipes – consider professional root barrier installation.
- Schedule annual drain inspections – CCTV inspection catches small problems before they become emergencies.
Blocked Drain Emergency?
Don’t wait – water damage gets worse by the minute.
Response within 45-60 minutes
📋 Book a Drain Unblocking
Send us your details – we’ll respond via WhatsApp within 1 hour.
📸 Our Drain Unblocking Work


Real work by Prime Service Plumbing
⭐ Why Choose Prime Service?
- 4.9★ – 720+ local reviews
- 45-60 min emergency response
- CCTV drain inspection
- High-pressure hydro-jetting
- Red Seal certified plumbers
- 24/7/365 availability
❓ Frequently Asked Questions – Blocked Pipes
Don’t Let a Blocked Pipe Ruin Your Day
Whether it’s a slow-draining sink or a completely blocked sewer line, our team is ready 24/7 to clear your pipes fast.
Serving all Cape Town areas: Thornton, Pinelands, Bonteheuwel, Maitland, Goodwood, Epping, Parow, Elsies River, Bishop Lavis, Ravensmead