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Common Causes of Drain Blockages

Published in Drain Blockages 2 mins read

Based on common reasons for drain blockages, your drain is likely blocked by materials such as dirt, mud, dust, moss, or other particles.

Understanding the typical culprits behind blocked drains can help identify the issue. Drain blockages are frequently caused by the accumulation of various types of debris.

The nature of a drain blockage often depends on its location and the type of materials that enter it.

Blockages by Material

  • Dirt: A very common cause of blockages. Dirt typically blocks outside, and kitchen drains but can block interior drains too (be careful washing muddy legs in the shower or bath!).
  • Mud: Wet dirt that can settle and solidify, particularly in outdoor drains.
  • Dust: Fine particles that can combine with moisture to form clogs.
  • Moss and Other Particles: Organic matter and various small debris. Outside kitchen drains often become blocked by mud, dust, moss and other particles that fall into the drain.

Blockages by Location

Different drains are prone to blockages from specific materials:

  • Outside Drains: Often collect environmental debris like leaves, dirt, and moss.
  • Kitchen Drains: Commonly blocked by food particles and grease, but also dirt.
  • Outside Kitchen Drains: Particularly susceptible to external elements like mud, dust, moss and other particles that fall into the drain.
  • Interior Drains (like Showers and Baths): While hair and soap scum are common, these drains can also get blocked by dirt... (be careful washing muddy legs in the shower or bath!) if soil or mud is introduced.

These materials build up over time, gradually restricting water flow until the drain is completely blocked. Identifying the location of the blockage and considering what materials might have entered the drain can help determine the specific cause.