Why Choose Our Blocked Sewer Experts
Licensed Sewer Plumbers
Our team consists of highly skilled and licensed plumbing experts who specialise in complex sewer blockages. We have the training to handle severe sewage issues safely and effectively.
Advanced Sewer Technology
We use the latest equipment, including CCTV drain cameras and hydro-jetting machines, to accurately locate and permanently clear sewer blockages caused by roots, grease, or debris.
Always Open 24/7
A blocked sewer problem can happen at any hour. Our emergency team is always open, 24/7, ready to respond quickly to prevent property damage and resolve your plumbing crisis.
Clear, Honest Pricing
We provide transparent, upfront quotes before any work begins. With no call-out fees* and no hidden surprises, you can make an informed decision for your sewer repairs.
Common Causes of a Blocked Sewer
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Tree Root Intrusion
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Collapsed or Damaged Pipes
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Grease and Solid Buildup
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Main Sewer Line Blockages
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CCTV Sewer Camera Inspections To identify the exact location and cause of the clog, we use a drain CCTV camera. This allows us to see deep inside the sewer line to detect tree roots, cracks, or collapsed sections.
- Pinpoint the exact location of the block
- Detect persistent or severe issues
- Assess the condition of the pipeline
- Provide an accurate repair strategy
High-Pressure Jet Blasting Our hydro-jetting machines use powerful water pressure to clear the entire sewer quickly and permanently. This method effectively removes tree roots, grease, grime, and other tough blockages.
- Clear stubborn sewer obstructions
- Environmentally friendly cleaning
- Negotiates curves in the sewage pipe
- Leaves pipes completely clean
Sewer Pipe Relining & Repairs If the sewer pipe is damaged, we offer no-dig pipe relining. This creates a new, strong pipe inside the old one, fixing cracks and preventing future tree root intrusion without major excavation.
- Repair damaged pipelines with no digging
- Cost-effective and long-lasting
- Prevents future sewer blockages
- Strengthens old or cracked pipes
Chemical Root Treatment To prevent tree roots from growing back, we use specialised chemical formulations like ROOTX. These treatments kill tree roots inside the pipe without harming surrounding plants or trees.
- Stops and kills tree roots
- Prevents roots from growing again
- Safe for plants, animals, and kids
- A long-term solution for root intrusion
Servicing Blocked Sewers Across Sydney
Wherever you are in Sydney, our team is close by and ready to help. We provide fast, reliable blocked sewer services across the Inner West, Western suburbs, Eastern suburbs, and the North and South regions.- Inner West
- Western Suburbs
- Eastern Suburbs
- North Shore & Northern Beaches
- South & Sutherland Shire
Our Process for Clearing Your Blocked Sewer
At GPS Gas & Plumbing Services, your trusted blocked sewer plumber in Sydney, we follow a meticulous process to ensure every sewer issue is resolved correctly and permanently.- 1. Emergency Assessment: Our process begins the moment you call. We listen to the issues you're facing, such as sewage backup or multiple blocked drains, and dispatch a licensed plumber immediately to assess the situation.
- 2. CCTV Sewer Inspection: To find the exact cause and location of the sewer blockage, we insert a high-tech CCTV camera into the pipeline. This helps us identify the problem—be it tree roots, a collapsed pipe, or a severe clog—without any guesswork.
- 3. Powerful Sewer Clearing Solutions: Once we’ve identified the problem, we use the best method to clear the sewer. For most blockages, high-pressure jet blasting will flush the pipe clean. For severe tree root intrusion, we use specialised cutting tools to remove the obstruction completely.
- 4. Final Check and Prevention Advice: After clearing the blockage, we perform a final camera inspection to confirm the sewer line is clear and flowing freely. We'll also provide expert advice on how to prevent future sewer problems.
Signs You Have a Blocked Sewer
If you notice any of these signs, it could mean you have a serious blockage in your main sewer line. Contact us immediately to prevent a plumbing disaster.Multiple Drains are Blocked
If your toilet, shower, and sinks are all draining slowly or not at all, the blockage is likely in your main sewer line, not an individual drain.Sewage Backup in Drains
The most obvious sign of a blocked sewer is sewage or filthy water backing up out of your drains, typically at the lowest point in the house like a shower or floor drain.Gurgling Noises from Toilets
When you flush a toilet or run water in a sink, do you hear strange gurgling sounds? This indicates trapped air in the plumbing system caused by a sewer line blockage.Foul Odor in or Around Your Property
A persistent smell of raw sewage inside or outside your home is a clear warning sign that your main sewer line is blocked and potentially leaking. If you’re experiencing any of these issues, contact GPS Gas & Plumbing Services. Our blocked sewer experts are ready to solve the problem quickly.
How to Prevent Future Sewer Blockages
Be Careful What You Flush
The only things that should be flushed down the toilet are human waste and toilet paper. Never flush wet wipes (even "flushable" ones), sanitary products, paper towels, or cotton swabs, as they cause severe sewer blockages.Dispose of Grease Correctly
Never pour fats, oils, or grease down your sinks. Let grease cool and solidify in a container, then throw it in the rubbish. This is the single best way to prevent grease-related sewer clogs.Know Where Your Sewer Line Is
Be aware of where your main sewer line runs on your property, and avoid planting trees or large shrubs nearby. Tree roots are naturally drawn to the moisture in sewer pipes and are a primary cause of blockages. By following these tips, you can reduce the risk of a blocked sewer. For professional maintenance or help with a current blockage, contact GPS Gas Plumbing Services today!Frequently asked questions
Common questions about blocked sewers.
What's the difference between a blocked drain and a blocked sewer?
A blocked drain usually affects a single fixture (like a sink or shower), while a blocked sewer affects the main pipeline, causing issues across your entire property, such as multiple clogged drains and sewage backups.
How do you clear tree roots from a sewer line?
We use high-pressure jet blasting and specialised root-cutting tools to completely remove tree roots from the sewer pipe. For a long-term solution, we may also recommend pipe relining to prevent them from growing back.
Who is responsible for a blocked sewer line?
As the property owner, you are typically responsible for the sewer line running from your house to the point where it connects with the municipal main line. A professional plumber can help determine the location of the blockage.
How much does it cost to unblock a main sewer line?
The cost varies depending on the severity and location of the blockage. Jet blasting for a sewer line can range from $300-$800, while more complex repairs like pipe relining will cost more. We provide an upfront quote before any work starts.