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The most common causes of clogged drains

Canalisations bouchées

The most common causes of clogged drains

Do you think the drains in your home are clogged? Is water draining slowly from your sink or toilet? Are you hearing unusual noises in your pipes? Are foul odors lingering in your plumbing system? A clogged drain can cause significant damage to your home. In fact, a blocked pipe is one of the most common plumbing issues. In this article, discover the most frequent causes of clogged drains.

Main causes of drain blockages

Many factors can lead to a clogged drain, especially when it comes to toilet and sink blockages. Here are the main culprits:

  • Buildup of Food Residue and Grease

In the kitchen, sinks are often the most exposed to clogs. Food scraps, oils, and grease poured down the sink can stick to the pipe walls and gradually form a solid blockage.

  • Hair and Pet Fur

Hair is one of the most common causes of clogs in bathroom sinks and showers. It easily gets caught inside pipes, forming clumps that eventually block water flow—especially when mixed with soap or shampoo residue.

  • Objects Flushed Down the Toilet

Toilets are only designed to handle organic waste and toilet paper. Excessive use of toilet paper or flushing wipes, sanitary products, cotton swabs, and other non-biodegradable items is a leading cause of clogs in bathroom plumbing.

  • Tree Roots in Outdoor Drains

Underground sewer systems can be invaded by tree roots seeking moisture. These roots penetrate through small cracks in the pipes and create blockages that are hard to detect without a camera inspection.

  • Poor Plumbing Installation

Incorrect pipe slopes, pipes that are too narrow, or poorly connected joints can hinder water flow, promoting stagnation and buildup. These installation flaws often result in recurring blockages.

Tips to prevent future drain clogs

By following the tips below, you’ll reduce the risk of clogged drains—especially when it comes to toilet unclogging and sink blockages.

  • Use Drain Screens or Filters

Install mesh screens or strainers in sinks, basins, and showers to catch hair, soap bits, and food debris. These simple accessories are very effective at minimizing buildup inside your drains.

  • Never Pour Grease Down the Sink

After cooking, let grease cool, then dispose of it in the trash using a sealed container.

  • Don’t Flush Foreign Objects

Never use your toilet as a trash can. Even if a product’s packaging says it is “flushable,” it may still harm your plumbing system.

  • Limit Use of Chemical Drain Cleaners

Store-bought chemical drain cleaners can damage pipes over time. While they may offer quick results, repeated use can corrode your plumbing. Opt instead for natural alternatives like white vinegar and baking soda for regular maintenance.

Need help with a clogged kitchen or bathroom drain? Contact the drain unclogging experts at Débouchage et Nettoyage Sani Action. These professionals provide effective, long-lasting drain cleaning and unclogging services. Plus, they’ll offer expert advice to help you prevent future blockages in your home.

Débouchage et Nettoyage Sani Action
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