How to Unclog the Main Drain Pipe

Dealing with a clogged main drain pipe can be a daunting task for any homeowner. A blockage in your main drain can cause serious plumbing issues, including sewage backups and flooding. Here’s a guide on how to unclog the main drain pipe and why it might be best to leave this job to professionals.

Steps to Unclog the Main Drain Pipe

Identify the Problem

  • Check if multiple drains in your home are slow or backed up. This is a clear sign that the main drain pipe is clogged.

Locate the Cleanout

  • Find the main drain cleanout, which is usually a white pipe with a screw-on cap located in your basement, crawl space, or outside your home.

Remove the Cleanout Cap

  • Carefully unscrew the cleanout cap. Be prepared for water or sewage to spill out once the cap is removed.

Insert a Plumbing Snake

  • Use a plumbing snake (also known as an auger) to reach into the drain. Push the snake through the pipe to break up the clog.

Use a Hydro Jet

  • For more stubborn clogs, a hydro jet can be used to blast water at high pressure through the pipe, dislodging the blockage.

Flush the Drain

  • After clearing the clog, flush the drain with hot water to ensure that any remaining debris is washed away.

Risks of DIY Drain Unclogging

Unclogging a main drain pipe yourself can be risky and may lead to bigger problems if not done correctly. Here are some risks to consider:

Potential Damage

Using a plumbing snake or hydro jet incorrectly can damage your pipes, leading to costly repairs. Plastic pipes, in particular, can crack or break under too much pressure.

Health Hazards

Sewage contains harmful bacteria and pathogens. Direct exposure during a DIY unclogging attempt can pose serious health risks.


DIY methods may provide only a temporary solution. Without proper tools and techniques, the clog might not be fully cleared, leading to recurring issues.

Worsening the Problem

If you push the clog further down the pipe or damage the main line, it can result in more extensive and expensive plumbing issues.

Why Call Main Stream for Professional Help?

If you’re unable to unclog the main drain yourself, or if you want to ensure the job is done right the first time, it’s best to call in the experts. Main Stream provides comprehensive plumbing services, including emergency calls 24/7 without overpayments. Here’s why you should choose us:

Expertise and Equipment

Our professional plumbers have the experience and the right tools to quickly and effectively unclog your main drain pipe.

Safety and Reliability

We ensure safe handling of sewage and waste, protecting your health and your home’s plumbing system.

Convenience and Peace of Mind

Save time and avoid the stress of DIY attempts. With Main Stream, you can be confident that the job will be done to the highest standard.

Contact Main Stream Today

Don’t let a clogged main drain disrupt your home. Contact Main Stream for reliable and efficient plumbing services in Toronto and the GTA. Whether it’s an emergency or a routine maintenance call, we’re here 24/7 to provide the help you need without overpayments.

For more information or to schedule a service, call us at 647-806-6450 or use our contact section. Trust Main Stream for all your plumbing needs!

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