What are the main causes of blocked drains?
To determine the main causes of blocked drains, I reviewed several search results. Here are the key causes of blocked drains:
1. Accumulation of debris and foreign objects:
One common cause of blocked drains is the accumulation of debris and foreign objects. This can include items such as hair, soap scum, food particles, grease, and even small objects that accidentally fall into the drain.
2. Tree root intrusion:
Tree roots can grow into underground pipes and cause blockages. As the roots grow, they can crack or collapse the pipes, leading to blockages and restricted water flow.
3. Structural issues:
Structural issues with the drain pipes themselves can also cause blockages. Over time, pipes can deteriorate, corrode, or collapse, leading to blockages and reduced water flow.
4. Fat and oil buildup:
The improper disposal of fat, oil, and grease down the drain can lead to blockages. These substances can solidify and accumulate in the pipes, causing obstructions and restricting the flow of water.
5. Incorrect pipe installation:
If drain pipes are not installed correctly, such as having improper gradients or inadequate slope, it can lead to blockages. Improper installation can cause water to pool and not flow properly, resulting in blockages.
6. Heavy rainfall and flooding:
During heavy rainfall or flooding, drains can become overwhelmed with water, leading to blockages. Debris and sediment carried by the water can accumulate in the drains, causing obstructions.
It's important to note that these are just some of the main causes of blocked drains. The specific cause can vary depending on the situation and the type of drain. If you're experiencing a blocked drain, it's recommended to consult a professional plumber for an accurate diagnosis and appropriate solutions.