Under Slab Plumbing & Slab Leak Repair in Austin, TX
Installing the ground-level portion of a plumbing system is one of the first things that happens on a construction project.
In Austin homes, the pipes that make up the first stage of a plumbing system are laid in trenches in the ground before the concrete slab gets poured. Most Austin homes are built on concrete slabs to mitigate the unstable soil underneath. Slabs don’t eliminate the risk posed by shifting ground, but they do reduce potential structural impacts.
Detecting Slab Leaks
Detecting Slab LeaksA slab leak occurs when a water pipe underneath the slab becomes cracked or broken and starts leaking water. Of course, because the pipe lies under a layer of concrete several inches thick, plumbers cannot usually find these leaks easily. Once found, they require time and labor to access and repair.
Costs mount quickly when plumbers must cut into slabs to reach leaking pipes below. Heavy tools such jackhammers and plunge-cut concrete saws may be used to open the slab to allow plumbers to make repairs. After the pipes are repaired, the hole in the slab must be patched with fresh concrete.
Sometimes pipe leaks require more than a targeted, under-slab repair. In cases where much damage jas occurred to the pipes, they may have to be replaced. This cannot usually happen under the slab. Instead, new replacement pipes get routed around the house or building and connected to the main city sewer line.
Rerouting replacement pipes can result in improved drainage. Certainly, rerouting pipes around the slab results in easier access to fix future problems. When pipe leaks are addressed in this way, homeowners can stay inside while the plumbing work is done.
Finding a slab leak can be quite a process, involving tunneling and back filling.
How do you know if you have a slab leak? Look for these signs:
- Your water bill spikes unexpectedly
- You can hear running water even though no faucets are on
- Cracks appear in the foundation
- Vegetation around the foundation grows unevenly
- You can see shifts in the soil around your home
- Random areas of the floor feel warm
- Flooring becomes dark and discolored (hardwood, tile grout, linoleum)
- Bad odors emanate from floors or walls
Call an Abacus Plumbing professional if any of the above occurs in your home. Our leak detection technology allows us to identify leaks more easily. When we find the leak, we’ll provide a detailed estimate explaining what needs to be done and repair costs.
Save Thousands by Detecting a Leak Early
We recommend homeowners schedule annual plumbing inspections for early leak detection. Our licensed plumbers conduct comprehensive checks of all plumbing system components. They also conduct water pressure tests to rule out or help identify leaks.
Under Slab Plumbing FAQs
What is under slab plumbing?
Under slab plumbing refers to the water supply and drain lines that are installed beneath your home's concrete foundation, laid in trenches before the slab is poured.
What causes slab leaks in Austin homes?
Austin's expansive clay soil shifts with wet/dry cycles and temperature swings, stressing pipes until they crack; older copper or galvanized lines become brittle with age and are especially vulnerable.
Can a slab leak be repaired without breaking up the foundation?
Yes - pipe rerouting runs a new line through walls or attic and abandons the leaking pipe, while epoxy lining coats the inside of existing pipes; both avoid jackhammering your slab.
How is under slab plumbing tested before the slab is poured?
Pipes are pressure-tested - drain lines with a water stack test (typically 10-foot head) or air test, and supply lines pressurized to verify no leaks exist before concrete is placed.