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(425) 478-3133
pro sewer logo 1 e1647380069295 (1)
(425) 478-3133

Trenchless Sewer Repair in Seattle

If you have a broken or damaged sewer line, your home or business may need trenchless sewer repair. This restoration does not involve digging to access the damaged pipe. Instead, an endoscope inspection and other methods are used to locate the problem area, then fix it with minimal disturbance to the property.

Let's look at why you may need trenchless sewer repair and what caused the breakage in your sewer pipe.

Causes Of A Broken Sewer Line

Several issues can cause a broken sewer line. Some of the most common reasons include the following:

Roots In The Sewer

Root infiltration is common in sewer systems made of porous materials such as clay. When trees develop, their roots can expand into new territoy in search of water to aid growth.

They can find older, permeable lines that allow their roots to grip onto and enter to reach the water within. Forcing their way inside the pipe causes fractures, eventually breaking the line.


If your sewer line is made from copper or other metals, it can corrode over time. The corrosion can cause holes in the pipe, resulting in a major sewage issue.

The first sign is usually a small leak around your toilet. This often occurs when the wax seal on the bottom of your toilet breaks down and begins to leak.

If you notice water running from under your toilet or if it takes longer than usual for your tank to fill, this could indicate an issue with your sewer line.


Only human waste and toilet paper should be flushed down the toilet to keep the pipes and the main sewage system in the best possible condition. Anything else might create drainage problems.

Clogged pipes are a typical sewage emergency, and grease, fats, and oils are common causes. When the grease cools, it solidifies and adheres to the inside interior linings of the tubes, clogging them.

Excessive Pressure

High water pressure is seen favorably by many. While you don't want water to drip from your faucet or shower, a house having high water pressure may cause costly harm. High water pressure is often the source of issues like pipe leaks, pipeline damage, and wasted water.

Inadequate Or Damaged Pipe Materials

Some sewage line materials are more susceptible to cracking and breaking than others. For example, ceramic pipes grow brittle with age and may easily shatter if not regularly maintained.

The sun's UV rays quickly damage plastic pipes and may shatter when subjected to high temperatures. Cast iron pipes, conversely, corrode quicker than other materials, resulting in fractures and breaks in the pipeline.

It is crucial to choose the most suitable material for your sewer line and examine it often to preserve its life.

Inadequate Support For The Pipe

Another common cause of pipe breaking is insufficient support for the pipe. If beams or other supports do not adequately reinforce the pipe, it can bend and eventually break.

This can be particularly problematic in areas with heavy traffic because the added weight from cars and trucks increases the stress on the unsupported section of the pipe.

Debris Buildup

Debris buildup is another reason. If you have a lot of debris in your pipes, it can cause them to clog and eventually break. This debris includes food particles, hair, and other materials flushed down drains.

Age And Deterioration Of The Pipe

Your home or business's sewage pipes and system can wear out over time, causing cracks and other damage. This can result in a leaky or broken pipe, which can cause flooding or an overflow of sewage into your home or business.

If you notice any of the following signs, you may have a problem with your sewage system:

  • Your toilet flushes slowly or not at all
  • You hear noises coming from the pipes when flushing your toilet
  • Water is coming out of the floor drains more than usual

What Is Trenchless Sewer Repair?

Trenchless sewer repair is a restoration job that does not involve digging up the ground to access the damaged pipes. Instead, an endoscope inspection and other methods are used to locate the problem area, then fix it with minimal disturbance to the property.

Trenchless sewer repair is an efficient method of fixing minor issues before they become major problems.

While excavation may not be obsolete, trenchless sewer repair helps replace broken sewage lines with little disruption to your property, completing the repair sooner, more reliably, and at a lower cost.

Trenchless Sewer Repair Process

Sewer lines have to deal with some of the harshest operating conditions of any part of your home or business. They are responsible for transporting wastewater, waste material, debris, and connect to the main sewer line.

Due to this, even a well-constructed sewage pipe system made of high-quality materials may ultimately wear out. You'll need to reconstruct your sewage pipe to prevent significant damage.

While this is more prevalent in older houses with sewage lines that have been in operation for more than 30 years, any sewer line system might experience unanticipated problems.

Thanks to the development of modern technology, Pro Sewer Repair offers trenchless sewer repair that can address your issue with little land disturbance and effect on your property in Seattle.

Here is how it works:

  • A sewer line inspection is launched using an endoscope camera to see the overview of your sewer system and locate the problem.
  • Once the faulty area is identified, the sewage staff will dig two holes and insert a specialized tool to access the damaged section of the sewer line.
  • Then, a viscous bonding agent will be attached to the specialized tool to repair the damaged pipe.
  • After the replacement liner has been installed, it is sealed at one end, and the other is connected to a compressor.
  • Then, the compressor will inflate it, expanding like a balloon to cover the void within your broken pipe completely.
  • The replacement pipe lining will then be left to harden.

Pros Of Trenchless Sewer Repair

No Damage to Your Land

The most significant advantage of trenchless sewer repair is that it does not disrupt your land. Digging up your lawn or landscaping can be expensive and create additional work.

But with trenchless sewer repair, you don’t have to worry about additional work and damage as it requires no digging of your property.

No Need To Clean Up After Repair

With trenchless repair, no mess is left behind for you to clean up since it requires no digging.


Trenchless sewer repair can be completed in areas where traditional methods would be impossible. This can be a significant advantage, especially if you live in an older home where digging outside may cause structural damage.

Let Pro Sewer Repair Help You With Your Sewage Needs!

When it comes to repairing broken sewer lines, trenchless repair is the best option.

The repair is done without digging, is cost-effective, and requires less effort after the whole process.

Pro Sewer Repair has a team of experienced sewer repair professionals ready to perform trenchless sewer repairs that meet your needs. We understand the importance of having a system that is properly functioning, so we work hard to ensure that your sewer lines are clean and free of defects.

Pro Sewer Repair can help you with trenchless sewer repairs quickly and affordably! Call (425) 478-3133 for details.

We also offer emergency repairs when you’re faced with a broken pipe and must have it fixed ASAP! Get in touch with us.

Do you want a free estimate?

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What Customers Say

Professionals You Can Trust

I hired Pro Sewer Repair to replace my sewer line. Their estimate was much more reasonable then Pro Sewer fixed a large break in our sewer line where it joined the city mainline. They handled this large job effectively, cost-efficiently, and were great to work with. Jamie and Rob were awesome to work with on scheduling and responsive to questions, and the team (Jason and James) did a great job with the work. Would use them again and will recommend to friends.

Sam R. | Seattle, WA

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