Blocked drain caused by debris and buildup in pipe

What Causes Blocked Drains? Common Reasons Explained

April 05, 20261 min read

Blocked drains are a common issue and can happen for a number of reasons. Understanding what causes them can help you prevent problems before they get worse.

Blocked drain caused by debris and buildup in pipe

1. Grease and Fat Buildup

Pouring grease or fat down the sink can cause it to harden inside pipes, leading to blockages over time.

What to do:

Avoid pouring grease down the drain. Let it cool and dispose of it properly instead.

2. Hair and Soap Residue

Hair and soap can combine to form a sticky buildup that restricts water flow.

What to do:

Use a drain cover to catch hair and clean it regularly.

3. Food Waste

Food scraps, especially things like coffee grounds and rice, can clog pipes easily.

What to do:

Dispose of food waste in the bin instead of washing it down the sink.

4. Tree Roots

Tree roots can grow into underground pipes, causing serious blockages and damage.

What to do:

This usually requires professional inspection and repair.

5. Foreign Objects

Items like wipes, sanitary products, and paper towels don’t break down easily and can block drains.

What to do:

Only flush toilet paper — avoid putting anything else down the drain.

What To Do Next?

While some blockages can be prevented with simple habits, others may need professional attention to fully resolve the issue.

Need Help?

If you’re dealing with a blocked drain, Maxin Drains & Groundworks Ltd provides fast and reliable provides fast and reliable drainage services across your local area.

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