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What Are The Most Common Causes of Drain Blockages

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  • Blocked Drains, DIY Drain Unblocking, Drain Unblocking Costs, Drainage Issues
  • Posted date:
  • 16-04-2024
What Are The Most Common Causes of Drain Blockages

WHAT ARE THE MOST COMMON CAUSES OF DRAIN BLOCKAGES?

Wondering what causes your drains to clog? This article asks: What are the most common causes of drain blockages? We explore the common reasons behind drain blockages and offers practical tips on how to prevent and address them effectively.

Tips to Avoid Blocked Drains

To prevent costly issues down the line, it's quite essential to be careful about what gets washed down your drain. A few easy steps will help you avoid blocked drains and save you money in the long run.

A core piece of advice is you should never dispose of leftover food, fat, or oil by washing it down the sink. These substances accumulate and can lead to a buildup inside your drain pipes over time.

This accumulation forms a stubborn blockage that could be difficult to clear. Instead of flushing these materials down, it's much more advisable to scrape them straight into a rubbish bin. Furthermore, consider composting organic waste as an environmentally friendly alternative. 

In the bathroom, ensure to exercise great care by not flushing anything down the toilet other than toilet paper. Foreign objects like children's toys, cotton wool, or baby wipes can potentially lead to significant pipe blockages, causing much inconvenience and even potential damage. This is a common mistake many individuals make unintentionally.

Another frequent issue encountered in bathrooms is the buildup of hair and soap remnants. To effectively counteract this, consider cleaning your shower or bath drain routinely. Additionally, you can install a simple, yet effective device like a drain cover. By using a drain cover, you can easily catch any hair, preventing it from entering the drain and causing blockages in the future.

To prevent problems with exterior drains, it's important to regularly clean out leaves, sticks, and other outdoor debris. By habitually clearing these materials, you're reducing the risk of blockages. This can save you from unnecessary complications and potentially costly repairs down the line. Regular maintenance of outside drains can prove highly beneficial in the long run, ensuring efficient water flow and preventing damage to your property. Proactive action is always better than reactive. 

What Are the Most Common Causes of Drain Blockages?

When we are aware of the main triggers that lead to drainage issues, we are better equipped to prevent these problems from happening. Some usual culprits include the build-up of things like hair, oil, food waste, and leaves in our drainage systems.

By regularly checking and cleaning the drains, we can help maintain an effective service and avoid the nuisance and expense of unexpected blockages. Plus, catching smaller obstructions early on often saves us from larger, more troublesome blockages in the future.

One of the most common causes of blocked drains, in particular, toilets, is the flushing of foreign objects down the toilet. These items, which include items like paper towels, hygiene products and children's toys, are not designed to break down. Consequently, they easily get stuck, causing severe blockages that impede the natural flow of water.

Under the sink - Common Causes Of Drain Blockages

Another typical cause of blocked drains is grease and fat from cooking. Often, when washed down the sink after meal preparation, these substances can solidify and adhere to the inside walls of your plumbing pipes. Over time, they accumulate and eventually form blockages which can significantly affect your drainage system. Seeking professional help to clean and maintain your drains regularly can prevent such inconveniences.

Meanwhile, hair and soap suds can gather in the bathroom and cause blockages.

Leaves and other debris can also get washed into the drains, leading to problems. In some cases, outside drains can become blocked due to tree root intrusions. This typically occurs when trees situated close to the drains grow their roots downwards, pushing into the underground systems.

When they intrude on these piped areas, they can cause significant problems, such as blockages, slowdown in water flow or even structural damage. It is crucial to act promptly if you suspect this issue.

Lastly, food remnants and waste can pose significant problems if flushed down the sink or toilet. These leftover particles can adhere to the internal surfaces of plumbing pipes and over time, accumulate, potentially causing severe blockages. Bulk build-up may lead to costly plumbing repairs or water backup issues in your home. Hence, avoid flushing down food waste whenever possible.

DIY Drain Unblocking?

DIY Drain Unblocking?

Clogged drains present a frequent annoyance in many households, often impeding the normal flow of water. While these issues seem daunting, many of them can be tackled without resorting to professional drain-cleaning services.

An effective method for addressing this is employing a simple concoction of baking soda and vinegar. These readily available household items, when combined, produce an efficient, cost-effective solution for homemade drain cleaning. 

This approach not only potentially saves money but also prevents the use of harsh chemicals, thereby preserving your pipes' longevity. It's a straightforward yet impressive method to rectify an obstructed drain.

Specifically, all you need is half a cup each of baking soda and vinegar. To utilise this method, simply pour these ingredients into the blocked drain. Allow this mixture to sit for approximately 30 minutes, after which you can flush it down using hot water. 

An alternative solution that some individuals find helpful involves using a plunger. Yet, it's important that before you employ a plunger, you must first ascertain the type of blockage in your drain.

Some blockages are more amenable to plunging than others, and employing the wrong technique could potentially cause more harm than good. 

Therefore, ensuring that the plunger is apt for the present kind of blockage is crucial for successful drain cleaning. All these are simple yet effective strategies for addressing basic clogged drain problems at your home.

What’s the Average Cost of Unblocking a Drain?

The price to clear a blocked drain can greatly fluctuate. This variability in cost generally depends on the severity of the obstruction present and the technique used to eliminate it. Typically, in the UK, individuals can anticipate paying anything between £100 and £250 for a professional disentanglement of their drainage systems. These widely accepted figures represent only an average.

The actual price can rise significantly depending specifically on how involved the case is. In instances where the blockage is severe and a lot more effort and resources are required to rectify the situation, one might have to envisage an increase in expenditure. It's crucial to avoid letting minor issues become major problems.

The ability to address small obstructions early on might save you from the potential headache of dealing with a major blockage later down the line. Waiting for results in problems escalating, often leading to extremely costly interventions.

The inconvenience and expense associated with these interventions could have been avoided by dealing with the potential drainage issues right from the beginning. It's always advisable to nip such issues in the bud to prevent financial strain in the future. Ignoring these minor issues might seem tempting at the moment, but remember, prevention is always better than cure.

What’s The Average Cost Of Unblocking A Drain?

What are the Signs of a Blocked Drain?

Identifying issues with your drainage system early on can help you avoid potential future damage and costly repairs. There are some telltale signs of a blocked drain that you should be wary of. If water is draining slowly in your sinks or showers, this could be an indication of a blockage. Similarly, a foul odour coming from your drains is a clear sign that something is amiss.

Other indications might include gurgling noises coming from your toilet or drains, and frequent backups in your sanitation system. Should you notice any of these symptoms, immediate attention is advised. Even if you're unsure, contacting a professional assistant is always a good idea. Contact professionals who are available to help you round-the-clock, offering effective solutions to keep your drainage system in prime working condition.

Remember, being observant and proactive is the key to maintaining a well-functioning drainage system. Taking timely notice of these signs not only ensures your drains stay clear but also helps in staving off serious plumbing issues. Prevention is always better than cure, particularly when it comes to plumbing problems, so stay vigilant and act promptly at the first warning signs.


Clenston Ltd offers comprehensive drain unblocking and cleaning services across Bury, Whitefield, Prestwich, and greater Manchester, providing swift and effective solutions for both residential and commercial properties.

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