Trenchless Sewer Line Replacement: What it is and how it works


Trenchless Sewer Line Replacement

Let's face it - nobody willingly opt to have their sewer line pipes replaced. With all that digging that uproots your garden, patio, driveway and floors, it is no wonder - it's a messy, costly and intrusive process. However, since Anta Plumbing started offering trenchless sewer installations, we get a much better reaction from our clients. No longer do they cringe at the prospect of pipe repair, but instead, they are able to focus on the benefit of their new well-functioning pipes.

Of course, nobody really wants to replace their pipes, but it becomes necessary sometimes, and when it does, it's good to know that you can rely on Anta Plumbing with their superb trenchless sewer installations service.

Some of the most common reasons why homeowners require trenchless sewer installations, might include:

Roots in drains

Trenchless Sewer Line Replacement Facts

Roots in drains

Main drain pipe with roots
When tree roots sneak their way into small cracks in the existing pipes, they continue to grow, causing blockages and eventually, even a total collapse of your pipes.




A sewage smell and soggy patches in the yard, it is a clear sign that you have a leak underground in your sewer.

Understanding Trenchless Sewer Line Replacement

Pipe Burst equipment
As you probably know, standard sewer line replacement involves extensive work and it is invasive and inconvenient - lasting days on end. On the other hand, trenchless sewer line replacement only requires two small holes on either end of the line that is being replaced, which saves your yard!

Step 1: Preparing the Entry & Exit Sites

Anta Plumbing's trenchless sewer line replacement experts will dig the holes using specialized equipment.

Step 2: Pipe Bursting

A new pipe will be fed through the old one which is broken in the process, by means of a hardened steel bursting head, which is attached to a steel cable.

Liner Cured-in-PlaceCured-in-place pipe lining, which involves feeding an inflatable tube through the old pipe is one method of trenchless sewer line replacement method. The tube has a bladder, and when inflated, it hardens against the pipe walls of the old pipe.

Trenchless drain pipe replacementAnother option is High Density Polyethylene Pipe (HDPE) trenchless replacement. This high quality pipe beats PVC plastic, cast iron or clay pipe, as it resists corrosion. HDPE pipe is melted together at the joint, which makes it stronger than other joints. Therefore, it is able to better withstand pressure, as it is more flexible than other pipe materials.

With this method, a new polyethylene pipe is attached to the back of the bursting head. At the other end of the line, a hydraulic system will be set up, which will pull the cable with the pipe attached, towards it. Once it reaches the exit hole, the connections are made and inspected before the holes are filled in.

Trenchless Sewer Line Replacement Facts

COST: The cost of trenchless sewer line replacement is dependent on the amount of repair work to the hardscape above the pipe that is being replaced. In most cases, trenchless sewer line replacement is more cost-effective than traditional methods.

DURATION: Usually, the bursting and pulling process takes about an hour, depending on the scope of the project. The average process takes no more than two days from starting to dig the entry and exit holes to making the connections and filling the holes.

The main benefit of trenchless sewer line replacement is that it minimizes destruction of your hard surface areas and landscaping. Additionally, HDPE pipe has an estimated lifespan of more than 200 years, which saves significant repairs costs.

When you need trenchless sewer line replacement, you can rely on Anta Plumbing.

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Written by Anta

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