Genesis Drainage

November 19, 2024

How Tree Roots Are Blocking Drains

November 19, 2024
Tree roots are a common and often underestimated cause of blocking drains. Their relentless growth in search of water and nutrients can wreak havoc on underground drainage systems, leading to blocked drains and costly repairs. In this blog, we’ll explore how tree roots infiltrate drains, the signs to watch for, and the solutions available to prevent or fix the problem. We’ll also address FAQs about blocked drains, offering practical advice for property owners.

How Tree Roots Cause Blocking Drains

Tree roots are naturally drawn to moisture and nutrients found in your drainage system. Cracks, loose joints, and even microscopic openings in pipes act as entry points for roots. Once inside, they grow and expand, creating blockages and reducing the efficiency of your drains. Over time, the presence of tree roots can result in significant damage, making early detection and repair essential.

Signs That Tree Roots Are Blocking Drains

Detecting blocking drains caused by tree roots early can save you time, money, and inconvenience. Here are some common warning signs:
  • Slow-Draining Water

    If water is taking longer than usual to drain from sinks, showers, or toilets, it could indicate a blockage caused by roots.

  • Foul Odours

    Tree roots can trap debris, leading to unpleasant smells emanating from your drains.

  • Gurgling Sounds

    Strange noises in your pipes could be a sign that tree roots are disrupting water flow.

  • Sewage Backups

    Severe blockages can cause wastewater to back up into your property, leading to potential health hazards.

  • Unusual Wet Patches in the Garden

    Damp areas or sinkholes in your garden could indicate that roots have broken through your drainage system.

Why Drains Blocked by Tree Roots Are a Problem

Drains blocked by tree roots pose serious risks to your property and the surrounding environment. Left unchecked, root intrusions can:

  • Cause structural damage to pipes, leading to costly repairs.

  • Disrupt water flow, increasing the risk of flooding.

  • Create health hazards due to wastewater leaks.

Addressing the issue quickly is key to avoiding long-term damage and maintaining an efficient drainage system.

How to Fix Drains Blocked by Tree Roots

If your property has drains blocked by tree roots, there are several effective solutions:
  • CCTV Drain Surveys

    A professional CCTV drain survey can identify the extent of root intrusion, pinpointing the exact location of the blockage.

  • High-Pressure Water Jetting

    What is high pressure water jetting? This high pressure water jetting method involves using powerful jets of water to clear debris and cut through root blockages without damaging the pipes.

  • Root Cutting and Removal

    Specialist equipment can be used to remove roots from inside the pipes, restoring water flow.

  • Drain Relining

    After clearing the blockage, drain relining reinforces the affected pipe with a durable lining, preventing further root intrusion.

  • Excavation and Replacement

    In severe cases where pipes are extensively damaged, excavation may be necessary to replace the affected section.

Preventing Tree Roots from Blocking Drains

Prevention is always better than cure. Here are some tips to reduce the risk of tree roots blocking drains:
  • Plant Trees Wisely

    Avoid planting trees with invasive root systems near drainage systems.

  • Regular Maintenance

    Schedule routine inspections to identify and resolve potential issues before they become serious.

  • Install Root Barriers

    Physical barriers can prevent roots from reaching drainage pipes.

  • Use Modern Materials

    Replace old, vulnerable pipes with modern materials that are less prone to cracks and leaks.

FAQs About Blocked Drains

1. What Causes Blocked Drains Apart from Tree Roots?
Blocked drains can also be caused by grease, food waste, hair, sanitary products, wet wipes, and other debris that accumulates over time. Structural issues such as collapsed pipes or misaligned joints can also contribute.
2. How Can I Tell if My Drains Are Blocked?
Common signs of a blocked drain include slow drainage, bad smells, gurgling sounds, and water backups in sinks, showers, or toilets.
3. Can I Clear a Blocked Drain Myself?
For minor blockages, you can try using a plunger, drain snake, or a mixture of baking soda and vinegar. However, professional assistance is recommended for more severe blockages, particularly those caused by tree roots.
4. How Much Does It Cost to Fix Drains Blocked by Tree Roots?
The cost depends on the severity of the problem and the repair method. Simple root cutting or water jetting is more affordable, while excavation and pipe replacement can be more expensive. A CCTV drain survey can provide an accurate assessment and cost estimate.
5. How Often Should I Inspect My Drains?
It’s recommended to inspect your drains annually, especially if your property is near trees with aggressive root systems. Regular maintenance can help identify and prevent problems early.

What Trees Are Most Likely to Cause Drain Blockages?

Trees with invasive root systems, such as willows, poplars, and oaks, are more likely to cause drain issues.  

Tree roots are a formidable enemy to your drainage system, but with early detection and the right solutions, you can minimise the damage. Whether your drains are showing signs of trouble or you simply want to prevent future issues, taking proactive steps can save you significant time and money.

If you’re dealing with blocked drains or suspect tree roots are blocking drains on your property, Genesis Drainage is here to help. Our team of experts specialises in clearing and repairing drains blocked by roots and other causes. Contact us today for a comprehensive assessment and tailored solution.

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