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Call The Blocked Drain Guys To Fix An Overflowing Toilet

Is your toilet slow to drain or gets close to overflowing?

Maybe it has overflowed before and it looks like it may happen again.

You’re not alone. It’s a common problem in the Sutherland Shire, but it’s not one you should ignore.
When a toilet overflows or gets close to overflowing, it’s a sign that something is wrong with your drains.
Calling the Blocked Drain Guys is the best way to get your problem fixed quickly and safely.
We specialise in clearing out blocked drains and will have your toilet back to normal in no time!
We can do this without damaging your pipes or disrupting your daily routine. So, don’t wait to reach out when you’re in dire need of assistance with an overflowing toilet. We’re the experts and will have your problem solved in no time.

blocked toilet

What Causes Toilet To Overflow?

We often do not give toilets a second thought. They are a room that usually has the door closed and we don’t spend a lot of time in there ( unless the toilet is the place where you go to get peace and quiet!)

So lets dive in and understand a bit about how a toilet works and why it gets blocked.

Toilets are an essential fixture in our homes, and understanding how they work and why they can get blocked is crucial for proper maintenance. The plumbing system of a toilet consists of several components that work together to ensure efficient flushing and drainage. Let’s explore the design of a toilet’s plumbing system and the common causes of blockages and overflows.

The process of how toilet water leaves the toilet and enters the sewerage system involves a combination of gravity and plumbing components. Let’s explore the steps:

  1. Flushing: When you flush the toilet by pressing the handle or button, the flushing mechanism is activated. This mechanism opens the flushing valve, allowing water from the flush tank to rush into the toilet bowl.
  2. Siphonic Action: As the water enters the toilet bowl, it creates a siphonic action. This action occurs due to the shape of the toilet bowl and the trapway, which is a curved passage at the base of the toilet. The water in the bowl creates a seal, and as more water enters, it pushes the waste and water in the trapway downward.
  3. Drainage Pipe: The waste and water travel from the toilet bowl through the trapway and into the drainage pipe. The drainage pipe is connected to the toilet and leads to the larger sewerage system, either a public sewer or a septic tank.
  4. Gravity: Once the waste and water enter the drainage pipe, gravity takes over. Gravity helps pull the waste downward, allowing it to flow through the pipe and into the sewerage system.
  5. Ventilation: To ensure proper drainage, toilets are equipped with a ventilation system. The ventilation pipe, often connected to the drain pipe, allows air to enter the plumbing system. This ventilation helps maintain equal pressure and allows for smooth and efficient water flow. It also prevents bubbling toilet sounds and the formation of airlocks in the pipes.
  6. Sewage System: The drainage pipe from the toilet connects to the larger sewerage system and is part of Sydney Water.
    The waste and water are carried away through a network of underground pipes to a wastewater treatment plant.
    In a septic system, the waste and water flow into a septic tank on the property, where solids settle and are decomposed, and liquids are discharged into a drain field for further treatment by the soil.

Common Causes of Toilet Blockages and Overflows:

  • Foreign Objects: Flushing items that are not designed to be disposed of in a toilet, such as sanitary products, wipes, cotton balls, or excessive toilet paper, can cause blockages. These items can accumulate in the drain pipe, restricting water flow and leading to a clog. The water has nowhere to go but up, turning your bathroom into a bio hazard.
  • Tree Roots: Over time, tree roots will be in the search for a water source and old terracotta pipes are the perfect access to fine tree roots to infiltrate and start to create a mass in the pipes. The Sutherland Shire is full of trees and old plumbing.
  • Insufficient Water Flow: Low water flow during flushing can prevent waste from being carried away effectively. This can occur due to a partially closed water supply valve or a malfunctioning flushing mechanism.
  • Too Much Water: If the tank’s water level is set too high, it can result in excessive water entering the bowl during a flush. This excess water overwhelms the toilet’s capacity to drain properly and leads to an overflow.
  • Sewer Line Issues: Blockages can also occur further down the sewer line, outside of the toilet’s plumbing system. Tree roots invading the pipes, a collapsed sewer line, or other obstructions in the main sewer line can cause blockages that affect multiple fixtures, including toilets.
  • Septic Tank Issues: If you have a septic system, an overflowing toilet could indicate a problem with the system itself, such as a full or malfunctioning septic tank.
  • Improper Installation: Incorrect installation of the toilet or its plumbing components can lead to blockages. For example, if the drain pipe is not properly aligned or if there are leaks at the connections, waste and debris can accumulate and cause clogs.


When a toilet is blocked, it can lead to an overflow, causing water damage and sewerage contamination to your home.
To prevent an overflow of toilet water in your home, it is essential to address blockages promptly.

Some steps you can take include:

  • Use a plunger to try and dislodge the blockage.
  • If the blockage persists, AVOID flushing repeatedly, as it may cause the water to overflow.
  • Call a professional drainage plumber who can assess and clear the blockage using specialised tools if necessary.

To prevent toilet overflows, it’s essential to avoid flushing inappropriate items down the toilet, use proper amounts of toilet paper, and ensure that the toilet’s components are functioning correctly.
If you have young children that have a toilet fascination, keep the toilet door closed to prevent toys and household item being flushed.

We have had some insane scenes of toilets chock full of water expanding beads or water absorbing crystals (The stuff that is in a disposable nappy! Children have put them into the toilet to see what would happen….

blocked toilets

Why You Should Call Us Immediately

Toilet water is a health hazard.
If the blockage cannot be easily identified and rectified – Then you need to get a plumber in pronto.

Not only will we find the cause of the blockage blockage we can fix the issue so it is not likely to happen again.
We have a quick response time and can often be with you within an hour.

What To Expect From The Blocked Drain Guys

The Blocked Drain Guys will have your overflowing toilet fixed fast!
We’ll provide clear pricing
The main services you can anticipate from our experts are:

  • Asses The Blockage
  • Unclogging Solutions
  • CCTV Drain Inspection
  • Hydro Jetting Services
  • Clean Up

Count on us to efficiently resolve your overflowing toilet dilemma using cutting-edge techniques and top-notch equipment.
Our process begins with a CCTV camera inspection, pinpointing the root of the issue.
This will allow us to discuss the options


The Cost of Professional Drain Cleaning

DIY cleaning may seem like the cheaper option, but it can often cause more damage than it solves. Sewer backup and pipe maintenance can quickly become expensive if you attempt to fix it yourself.
And if the clogged drain turns out to be something more serious, you will have to call in the professionals.

The Final Say

It’s time to face the facts: a clogged toilet isn’t going to just unclog itself. Introducing the Blocked Drain Guys, your saviours in times of plumbing distress!
Our skilled plumbers are ready to unleash their drain-clearing superpowers and unblock your toilet and give you back a usable toilet
So don’t let stubborn blockages ruin your day—take action now!
Contact us and experience the joy of free-flowing drains once again.

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