What causes blocked outside drains

Blocked outside drains are the most common issue for both homes and commercial properties. Most blockages build up gradually due to everyday activities and environmental factors, while they may seem like a sudden problem. At FixHelpia, we regularly deal with such issues and understand exactly what causes them—and how to prevent them. There can be a known reason for blocked outside drains, like-

1.Leaves, Dirt, and Garden Debris

Drain blockage can be due to most known reasons, such as natural waste like leaves, twigs, mud, and grass. These materials usually get washed into drains during rain or wind. Leaves, dirt and garden debris will get stuck, which will work to restrict water flow and become a reason for drain blockage.

2.Fat, Oil, and Grease Build-Up

Many people don’t realise that what goes down the kitchen sink can affect outside drains. Because of oil deposits and leftover food, kitchen sinks are particularly prone to odours. A sour or rotting smell can result from even tiny particles being lodged in the pipes and beginning to decompose. This sticky mass traps other debris and forms heavy blockages, often referred to as “fatbergs.” 

3.Rainwater Runoff, Sand, and Silt

Soil, sand, and silt are transported into drainage systems by heavy rains. Water flow is decreased when these particles accumulate within pipes. This eventually causes obstruction and delayed drainage over time. This problem is particularly controlled in places with inadequate drainage upkeep.

4.Intrusion of Tree Roots

One of the most underlying causes of clogged outdoor drains is tree roots. Roots may penetrate pipelines through small openings and are naturally drawn to moisture. Once inside, they proliferate and obstruct the pipe, sometimes even causing damage. Professional examination and repair are frequently necessary for this kind of obstruction.

5.Non-Flushable Items and Foreign Objects

Plastic, sanitary goods, wet wipes, and even tiny particles can find their way into drains. These substances can become lodged in pipes and cause major blockages since they are difficult to decompose. One of the main causes of this issue is improper disposal practices.

6.Damage or Collapse of Pipes

Sometimes the condition of the pipe itself is the problem rather than what's within the drain. Debris can be trapped, and water flow can be disrupted by old, broken, or collapsed pipes. Structural damage can make from large loads, improper installation, or ground movement. If this kind of issue is not appropriately resolved, it frequently results in recurrent obstructions.

7.Hair and Soap Residue

Hair and soap residue can also be a reason for drain blockage because it becomes a bunch of hair when travel through pipes and accumulates in outside drains, although this starts indoors. When combined with grease and debris, they form thick clogs that work to block water flow.

8.Call FixHelpia

You may get connected with FixHelpia if you are facing a blocked drainage issue. At FixHelpia, we offer expert drain inspection, cleaning, and repair services to tackle all types of blockages. Our team uses advanced tools to identify the exact cause and fix it efficiently. FixHelpia is here to keep your drainage system running smoothly and stress-free if your drain is showing signs of trouble, don’t wait.