Slab Leak Repair in Raleigh, NC

Clues that point under the floor

• One patch of tile or concrete that feels noticeably warm under bare feet, which usually means the hot side
• A faint hiss or trickle you can hear when nothing in the house is turned on
• Hardwood that cups, laminate that swells, or carpet that is damp along a single line
• A water heater that seems to cycle more often than your household needs
• A Raleigh Water bill that climbs without any change in your habits

You can narrow things down yourself. With every faucet, appliance and irrigation zone off, look at the dial on your meter. If it still turns, water is going somewhere. Close the main valve at the house and look again: if the dial keeps moving, suspect the service line in the yard instead; if it stops, the loss is inside the house.

Not every Raleigh home has this problem

Only houses poured on a slab can have a true slab leak. Many Raleigh homes sit over a crawl space, where a plumber can reach the pipes from underneath, and that repair tends to be far more straightforward. Raleigh's housing stock is fairly young, with a median build year of 1997 according to Census survey data, so pipe age alone is often less of a factor than a single bad fitting, abrasion against concrete or a pipe that was kinked during construction.

Pinpointing the break

A plumber first isolates the hot and cold sides to learn which one is losing pressure. Acoustic listening gear and, on some jobs, a thermal camera then trace the sound or heat to a specific spot. The more precise the location, the less flooring and concrete has to come out.

Choosing a repair

1. Direct repair. Open a small section of slab, fix the pipe, and patch the concrete. Best for one leak on pipe that is otherwise in good shape.
2. Reroute. Cap the buried line and run a new one through the attic or walls. No concrete is broken, though some drywall may be.
3. Repipe. If the pipe has already failed more than once, replacing it avoids paying for the next leak.

Cost and paperwork

Price depends on how long it takes to find the leak, what floor covering sits over it, the repair method, and how much drying out is needed afterward. Replacing flooring is usually a separate contractor. Trade permits in Raleigh go through the City's online Permit and Development Portal; ask whether your job needs one, since the plumber normally files it.