What causes blocked drains? It is one of the most common plumbing problems South African households face, and the culprits are usually everyday habits rather than bad luck. Blocked drains lead to slow drainage, unpleasant smells and, in severe cases, flooding and water damage. This guide covers the five most common causes of blocked drains – from hair and grease to tree roots – along with practical steps to prevent them. Knowing what causes a blockage is the first step to keeping your pipes flowing freely.
Understanding the Common Causes of Blocked Drains
When it comes to blocked drains, prevention is key. By understanding the common causes, you can take the necessary steps to avoid them. Let’s dive into the top 5 culprits behind blocked drains.
Cause 1: Hair and Personal Care Products
One of the most common causes of blocked drains is the buildup of hair and personal care products. Hair has a knack for finding its way into drains, where it can accumulate over time and create a stubborn blockage. Additionally, personal care products such as shampoo, conditioner, and body wash can leave behind residue that sticks to the inside of pipes, further contributing to blockages. To prevent this issue, consider using drain screens or stoppers to catch hair before it goes down the drain. Regularly cleaning these screens or stoppers will ensure they remain effective in preventing hair from causing blockages. Additionally, periodically pouring boiling water down the drain can help dissolve any residue that may have accumulated.
Cause 2: Food Waste and Cooking Oil
Another common cause of blocked drains is the improper disposal of food waste and cooking oil. It’s important to remember that your kitchen sink is not a garbage disposal. Food scraps, especially those that are fibrous or starchy, can easily get stuck in your pipes and cause blockages. Similarly, pouring cooking oil down the drain may seem convenient, but it can solidify and create stubborn clogs. To avoid these issues, make sure to scrape food scraps into the trash or compost bin instead of rinsing them down the sink. When it comes to cooking oil, allow it to cool and solidify before disposing of it in a sealed container and throwing it in the trash.
Cause 3: Tree Roots and Plant Debris
In some cases, blocked drains may be caused by tree roots and plant debris infiltrating your underground pipes. Tree roots are naturally drawn to sources of water and can easily find their way into small cracks or joints in your pipes. Once inside, they can grow and cause blockages. Similarly, leaves, twigs, and other plant debris can accumulate in outdoor drains and gutters, leading to blockages. To prevent this issue, it’s important to regularly inspect your outdoor drains and remove any debris. Additionally, be mindful of the landscaping around your property and avoid planting trees or shrubs near underground pipes.
Cause 4: Non-Flushable Items
Flushing non-flushable items down the toilet is a common mistake that can lead to blocked drains. Items such as baby wipes, cotton swabs, sanitary products, and even dental floss should never be flushed down the toilet. These items do not break down easily and can cause blockages in your plumbing system – and, further downstream, contribute to fatbergs in the municipal sewers. It’s important to educate yourself and your family members on what is safe to flush and what should be disposed of in the trash. Providing a designated trash bin in the bathroom can help encourage proper disposal habits.
Cause 5: Poor Plumbing Maintenance
Last but not least, poor plumbing maintenance can contribute to blocked drains. Neglecting regular maintenance tasks such as cleaning drain traps or scheduling professional inspections can allow small blockages to escalate into larger problems. It’s important to be proactive in maintaining your plumbing system to prevent blockages. Regularly cleaning drain traps and using drain cleaners can help remove any buildup before it becomes a problem. Additionally, scheduling annual plumbing inspections can help identify and address any potential issues before they lead to blocked drains.
Tips to Avoid Blocked Drains
Now that we’ve explored the common causes of blocked drains, let’s discuss some practical tips to help you avoid them.
1. Use drain screens or stoppers: Installing drain screens or stoppers in sinks, showers, and tubs can help catch hair and prevent it from going down the drain.
2. Dispose of food scraps properly: Scrape food scraps into the trash or compost bin instead of rinsing them down the sink.
3. Allow cooking oil to cool and solidify: Before disposing of cooking oil, allow it to cool and solidify, then seal it in a container and throw it in the trash.
4. Regularly inspect outdoor drains and gutters: Check your outdoor drains and gutters regularly to remove any debris that may cause blockages.
5. Educate yourself and your family members: Teach everyone in your household about what is safe to flush and what should be disposed of in the trash.
By following these tips, you can significantly reduce the risk of blocked drains and keep your plumbing system running smoothly.
When to Call a Professional Plumber
While DIY solutions can be effective in some cases, there are situations where it’s best to leave the job to a professional. Our drain clearing team in Cape Town can tackle stubborn blockages that home remedies cannot shift. Here are a few signs that indicate you should call a professional:
1. Recurring blockages: If you find yourself dealing with frequent blockages despite your best efforts, it may be indicative of a deeper issue that requires professional attention.
2. Multiple blocked drains: If multiple drains in your home are blocked simultaneously, it could be a sign of a larger problem within your plumbing system.
3. Foul odours or gurgling sounds: If you notice foul odours or gurgling sounds coming from your drains, it could indicate a blockage or a problem with your sewer line.
4. Water backup or flooding: If you experience water backup or flooding as a result of a blocked drain, it’s crucial to call a professional plumber immediately to prevent further damage.
Remember, professional plumbers have the knowledge, experience, and tools necessary to tackle even the most stubborn blockages. Don’t hesitate to reach out to a professional if you’re unsure or unable to resolve the issue on your own.
Conclusion
Blocked drains are a common inconvenience, but most are avoidable with good habits and a little maintenance. The five main causes – hair and personal care products, food waste and cooking oil, tree roots and plant debris, non-flushable items, and poor maintenance – are all manageable once you know what to watch for. Use drain screens, dispose of fats and food scraps in the bin, and be careful about what goes down the toilet. If you do need to treat a blockage, read our guides on the dos and don’ts of using drain cleaners and which chemicals are used to unblock drains before reaching for a bottle. When a blockage keeps coming back, it usually points to a deeper problem – that is the time to call a professional to inspect the line.
