Let s discuss the three different methods now.
Replace sewer line under concrete slab.
Do not dig up your concrete slab.
How to replace sewer line under concrete slab.
In north texas there are generally three ways plumbers in our industry replace pipe under a concrete slab.
3 ways to replace pipe under a concrete slab.
Attach a cutter head onto the end of an electric drain snake.
The concrete slab covers the sewer drain pipes located under the slab.
Today im going to share with you how i replace old cast iron drain pipes under a concrete slab in a 1958 home.
How to replace sewer line under concrete slab without digging.
Tunneling will be required for the under slab drain and sewer line replacement.
Trenching under a slab can cost an extra 150 to 200 per foot.
Place the cutter head into the sewer pipe and turn on the drain snake s motor.
Otherwise the ensuing leak could cause damage.
Replacing a main sewer line underground requires digging into the ground often disrupting landscaping and concrete.
If the line is broken under a city street it will increase the repair costs and job requirements as city permits and safety control will be necessary.
Feed the spinning cutter head all the way through the pipe to cut away any roots.
If repair is to be done on pipes found underground especially under a concrete slab the traditional way of doing it involves digging and trenching.
The plumber has to reach the sewer lines found underground and the only way to do so is to cut through the slab to access them.
Other factors that can increase the cost of an under slab leak repair job are trees larger lots requiring.
All the work is done from outside of the house and no digging has to occur.
The newest and rising in popularity method is trenchless pipe replacement.
Insert a video inspection tool into the sewer pipe and look for evidence of tree roots growing inside the pipe.
Cost to replace sewer line under slab.
The cost to replace a sewer line under a slab costs 3 000 to 5 000 for smaller jobs and 15 000 to 20 000 total for larger jobs.
Why relining is a better way to replace sewer lines under concrete slabs.
So if you ve been told you need to replace a sewer line under a concrete slab and that your imported italian tiles will need to be jackhammered into oblivion try to stay calm and consider your options.
Under slab plumbing repair costs can easily vary up to 50 or more because of rocky or difficult soils that have to be trenched and tunneled.