Is Trenchless Sewer Replacement a Good Idea?
Issue Time:2016-05-19


Trenchless sewer replacement worker

Angie Hicks, founder of Angie’s List, answers a member question about the benefits of trenchless sewer line replacement.

Dear Angie: My sewer pipe broke. I am considering hiring a company that does a trenchless pipe replacement. Is a trenchless drain a good option for sewer replacement?
– Laurie C., Pittsfield, Mass.

Dear Laurie: Trenchless sewer pipe replacement can certainly help you avoid the disruption and costs associated with digging long trenches in your yard and tearing up landscaping, hardscaping, driveways and other structures that commonly occurs with replacing damaged sewer lines.

With traditional trenching, you’re often forced to pay to dig up the street in front of your home, for traffic to be rerouted and for any repairs to any city-owned property or main sewer lines. This can range from a few thousand dollars to $20,000 or more.

Trenchless methods for homes have been around for about 15 years, but many homeowners are not aware of the option. The most common types of trenchless sewer line replacement are pipe lining and pipe bursting.

A pipe liner, also known as "cured-in-place pipe," is a flexible tube coated with resin that is blown or pulled into the damaged pipe and inflated. The resin then hardens, creating a pipe within a pipe that is jointless and corrosion resistant. Lining will reduce the diameter of the lateral pipe – which connects the home to the main sewer line – by about a quarter of an inch, but won’t affect your capacity to remove waste from your home. Pipe lining typically involves digging just one access hole.

Pipe lining might not be possible if the lateral has joints or has collapsed, but the pipe bursting method can still be done on a collapsed lateral if there's room to drag a cable through the old pipe. Pipe bursting involves pulling a new pipe through a damaged one, while simultaneously fracturing the old pipe outward. This typically requires digging access holes on either side of the lateral pipe.

Experts say pipe bursting and lining are equally durable. Costs for trenchless replacement vary, depending on factors like material prices, soil type and how deep sewers are buried.

Trenchless options can cost 30 to 50 percent more than conventional digging in some cases, but can still be more cost effective because you’re not spending thousands of dollars in additional restorative work.

Depending on where you live and the condition and configuration of your pipes, trenching might still be the best option. Shop around and talk to reputable, licensedplumbers and sewer line professionals about what would work best for your situation.


Company Profile
IPS was started with a simple goal ,to provide our Chinese customers ,who were engaded in water monitoring and/or municipal sewer line inspection and rehabilitation ,with affordable devices.
In 2009,we began our business with self-made multi-direction endoscope.But it was not very sucessful at that time.
In 2013,we came back with SINGA crawlers,which was equipped with powerful illumination to capture and record pipe defects.
In2015,we added explosion-proof and motor-driven cable drum to our carriage.And setted out to develop our own UV curing,3D sonar/laser system.

Thanks to continuous efforts in customers' oriented technical innovations and excellent service ,IPS has witnessed a series of huge success.Now we are the leading manufacturer of pipeline CCTV inspection equipment in China ,and we are ready to lead international pipe inspection&rehabilitation industry in the future.

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