Slab leak repair in Dallas fixes a water line that is leaking under or inside your concrete foundation. Leak detection narrows down where the leak is before any concrete is opened, which reduces the risk of cutting in the wrong place. Expansive clay soil makes these leaks common across Dallas. Call if your water bill jumped, a floor feels warm or you hear water running when nothing is on.
Slab leak detection in Dallas: what is included
- Confirming the leak with a meter test and a pressure test of the water lines.
- Electronic listening equipment and thermal imaging to pinpoint the leak's location.
- Locating post-tension cables or other hazards before any concrete is opened.
- Spot repair — breaking the slab at the leak, repairing the pipe and restoring the opening.
- Rerouting — abandoning the leaking line and running a new one through the attic or walls, avoiding the slab entirely.
- Repiping when multiple leaks show the line is failing throughout.
How slab leak repair works, step by step
- You call and describe the signs: a higher water bill, a warm spot, the sound of running water or damp flooring.
- A meter test with every fixture off confirms whether water is really escaping somewhere.
- Electronic and acoustic leak detection locates the leak, and the plumber explains spot repair, reroute or repipe and confirms the price for your specific job.
- The repair is made through the smallest practical opening, or the line is rerouted through walls or the attic.
- The line is pressure-tested and the meter is checked again to make sure the leak has stopped.
Not sure what you need? Call (877) 340-0703 and describe your issue to a local plumber over the phone. Calls are answered 24/7.
Slab leak repair starts with finding the leak exactly
A slab leak is a leak in a water supply line that runs through or beneath the concrete foundation of a house, and slab leak repair in Dallas depends on locating that leak precisely before anyone cuts concrete. Without that step, a floor can be opened in the wrong place and the leak is still there.
Slab foundations are the norm across Dallas, and the water lines under them are out of sight. That is why most slab leaks are first noticed indirectly: a water bill that climbs with no change in habits, the sound of running water in a quiet house, or a patch of floor that feels warm underfoot. Acting on those clues early limits damage to flooring, walls and the foundation itself.
Signs of a slab leak
- An unexplained increase in the water bill.
- The sound of running or hissing water when every fixture is off.
- A water meter that keeps moving after everything in the house is shut off.
- Warm or hot spots on the floor, which can indicate a leaking hot-water line.
- Damp carpet, buckled wood flooring or moisture along baseboards.
- Low water pressure or a musty smell with no visible source.
- New cracks in walls, tile or the slab itself.
Why slab leaks are so common around Dallas
Much of Dallas sits on expansive clay soil that swells when saturated and shrinks hard in the summer heat. That constant movement flexes the foundation slightly, and the pipes cast into or laid beneath it flex with it. Over years, copper lines can rub against gravel or concrete and wear through, and aggressive water chemistry can pit copper from the inside, producing pinhole leaks.
Homes built between the 1960s and the early 2000s commonly have copper supply lines under the slab, so the age of the house is a useful clue. Many newer slabs are post-tensioned, with steel cables under tension inside the concrete — a fact that makes locating the leak and the cables before any cutting essential.
Spot repair, reroute or repipe?
Dallas slab leak repair usually ends in one of three fixes. A single pinhole in an otherwise healthy line can often be repaired in place. A second leak on the same line is a warning: copper that is pitting in one spot is often pitting elsewhere. In that situation, rerouting the affected line or repiping the house avoids opening the same floor twice. You should be told which of these options fits, along with the trade-offs, before work starts.
What to do right now if you suspect a slab leak
Check the water meter: with everything off, if the dial or low-flow indicator moves, water is escaping somewhere. Shutting the main water valve stops the loss while you arrange help. Do not cut into the floor yourself, and take photos of any damp areas for your records. Then call and explain the symptoms.