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Are Tree Roots Invading your Sewer line?
July 18, 2021 at 11:00 PM
by East Coast Trenchless
A tree root that has been dug out of the ground


Let’s dive a little deeper into root intrusion this week. One of the most common culprits of a backed up sewer are tree roots. If your home was built before 1999, you may have a cast iron or clay sewer drain line. If these lines have any seams, tiny cracks, or even leaks, it creates prime conditions for tree roots.


Tree roots seek out moisture and fertile soil and your sewer line is the perfect host! Once roots creep their way into your sewer line, they grow inside the pipes. Over time this can cause slower draining, pipe damage, collapse, and eventually messy sewage backups into the house. YIKES. Luckily there are a 4 simples signs that roots are invading your sewer line.

Some signs of root intrusion:

  1. Slow flowing or clogged drains
  2. Gurgling sounds
  3. Green patches in your yard, or soft and squishy areas
  4. Foul odors such as rotten eggs or a sulphur smell


Most homeowners that are aware of their root intrusion don’t realize that having your main line “rooted” every year isn’t normal. Even after roots are cut up and removed, the initial integrity of your drain line is compromised – they will grow back. After your line is compromised, liquids will seep into the ground which can cause additional soil settling, major bellies and eventually collapse of your line. Once it collapses, that often means the expenses of a new sewer line.

If you suspect trees are invading your pipes, its best to call a Drain expert to perform a video camera inspection of your sewer line.

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