Rerouting a slab line
Slab Leak Rerouting Services in Texas
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A reroute abandons the leaking section under the slab and runs a new line through the walls or attic. The floor stays intact, and the part of the system most likely to fail again is taken out of use. Call and we’ll connect you with a local Texas crew for slab leak rerouting.
Tell us where the leak is and we’ll connect you with a local crew.
What rerouting means
When a water line under the slab leaks, there are two broad approaches: reach it through the concrete, or stop using it. A reroute is the second. The technician disconnects the leaking section at both ends, caps it and leaves it in the ground. A new line is then run to the same fixtures through a different path, usually above the slab.
The old pipe stays where it is, no longer carrying water. Nothing is dug up, and the floor above the leak is not opened.
How a reroute is done
- The leak is located first. Detection identifies which line is leaking and roughly where it runs, so the technician knows which fixtures lose water when that line is taken out of service.
- The path is planned. The technician walks the house and the attic to find a practical route from the main supply or water heater to each affected fixture. Walls, soffits, closets and attic space are common choices.
- Water is shut off. The main is closed for part of the job, and you will usually be told how long.
- New pipe is installed. Copper, PEX or another approved material is run along the planned path and connected to the fixtures.
- The old section is capped. The leaking portion is isolated so it no longer holds pressure.
- The line is tested. Pressure is checked to confirm the new line holds, and any openings in drywall or ceilings are closed up.
A technician can say whether a reroute fits your layout.
When a reroute tends to make sense
- The leak is under something hard to replace. Large tile, natural stone, built-in cabinets, a kitchen island or a finished garage floor all make an opening in the slab disruptive and hard to match.
- The line has leaked before. If you are on a second or third leak, moving the whole line off the slab removes the part that keeps failing. See repeat slab leaks.
- Access above the slab is practical. A two-story house or one with attic space usually offers more routes than a single-story home with a low roof line.
- The rest of the line is aging. If the pipe is the same age and material throughout, a new path avoids paying to repair one failure and waiting for the next.
Ask whether the line can be moved without opening tile.
What can make a reroute harder
Rerouting is not suited to every home. Technicians weigh a few things before recommending it:
- Few paths to the fixtures. A bathroom in the middle of a single-story house with no attic access above it may be difficult to reach without opening more walls.
- Fixtures that connect through the slab. Showers, tubs and some sinks have connections that come up through the floor. A reroute can serve them from above, but it takes planning.
- More visible plumbing. New lines in the attic and walls are out of sight in most cases, but a line that has to run along a garage wall or soffit may show.
- More openings in drywall. The floor is spared, but walls and ceilings may need small access cuts and patching. The crew patches the drywall. Paint matching is usually a separate job.
A technician who knows the house can tell you whether a reroute is a good fit or whether another approach is a better one.
Rerouting in Dallas-Fort Worth and Texas homes
Reroutes come up often in the suburbs around Dallas and Fort Worth, where many single-story slab homes from the 1960s through the 1990s have copper lines running beneath the floor. Expansive clay keeps moving after a repair, and the remaining pipe under the slab is usually as old as the section that failed.
Texas attics are large and generally accessible, which helps. A line that used to cross the slab can often be brought along ceiling joists instead. Attic heat is a design consideration, and technicians commonly insulate hot-water lines run through the attic to limit heat loss.
Talk through both options with someone local.
Rerouting compared with other approaches
A reroute is one of four common approaches. Spot repair fixes the leak in place by opening the slab. Pipe lining coats the inside of the existing pipe, where the line suits it. Repiping replaces more of the system, usually above the slab. The slab leak repair and replacement page lays them side by side.
None is right for every house. A reroute trades floor damage for wall and ceiling access. A spot repair keeps the original path and causes less change to the plumbing layout. The choice depends on the leak, the floor and the condition of the rest of the line.
Questions worth asking before you choose a reroute
- Which fixtures will the new line serve, and what path will it take?
- Which walls, ceilings or attic areas need to be opened?
- What material will the new pipe be, and how will it be insulated?
- Is the old section being capped, and where?
- Will the reroute change how water pressure feels at any fixture?
- What is included, and who patches and paints the openings?
- How will the new line be tested before the walls are closed?
If you rent the property or manage it for someone else, agree in advance on who approves the work and how tenants will be told about water shut-offs.
Describe the signs you have seen.
Where the new line can run
A rerouted line usually runs through the attic and drops down inside walls to each fixture. In homes without usable attic space, it can sometimes run along the outside of the house in a protected chase, or through interior walls and soffits. The technician should explain the planned path, where openings will be made, and how the new line will be protected from heat in the attic.
Slab leak reroute questions
The floor over the leak is not opened, which is the main reason people choose it. Small openings in drywall or ceilings may be needed to run the new pipe, and those are patched afterward.
It is disconnected and capped, then left in the ground. It no longer carries water, so it cannot leak into the soil under pressure.
A reroute is a lasting change to how water reaches your fixtures. The new line is new plumbing, and the contractor’s workmanship guarantee usually applies to the completed work.
In most homes the new lines run inside walls or in the attic and are not visible. In some layouts a short run may be exposed in a garage or utility area.
It depends on the number of fixtures, the length of the run and the access. Smaller jobs may finish in a day. Larger ones take longer. The technician should give you a timeline before starting.
Yes, if the leak is on a branch that serves a limited set of fixtures. The technician will confirm which fixtures are affected before recommending the scope.
Pressure is set by the supply to the house and the pipe sizing. A properly sized new line should deliver normal pressure. Ask the technician how pressure will be checked afterward.
The plumbing crew closes the access openings. Texture, paint and finish matching are usually done by a separate contractor, so ask about that in advance.
Neither is always better. A reroute spares the floor and removes the old path. A spot repair keeps the existing path. The choice depends on the flooring, access and the line’s history.
Yes. Buyers often ask about a home’s slab leak history, so keep any paperwork from the work.
Find out whether a reroute fits your house
Call and we’ll connect you with a local technician who can look at the layout and explain the options.
Same-day and emergency response in many areas.