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760 Plumbing
Plumbing · California
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Slab Leak

A hot spot on the floor or a water bill that's climbed for no reason is worth a call before the leak undermines the slab further.

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When this becomes an emergency

What a pro does

Most homes in this part of the state are built on a concrete slab, so a leak in the water line running under it doesn't show up the way a leak in an accessible pipe would. A plumber uses listening equipment and sometimes thermal imaging to pinpoint the leak's location before cutting into the slab, since guessing wrong means an unnecessary hole in the floor. Depending on where the line runs, the fix might mean rerouting the pipe through the attic or a wall instead of cutting the slab at all. Heat from summer temperatures can accelerate small leaks in aging copper, which is part of why slab leaks show up more here than in milder climates.

Frequently asked questions

With acoustic listening equipment and sometimes thermal imaging, both of which locate the leak without cutting into the floor first. Guessing at a location risks an unnecessary hole in a slab that's costly to patch.
No. Rerouting the line through an attic or exterior wall is often possible and avoids opening the slab altogether, depending on where the original line runs.
Heat plays a role. Summer ground and pipe temperatures here run higher than in milder climates, and that heat speeds up small failures in older copper line running under the slab.
It's a strong signal, especially paired with a water meter that keeps moving after every fixture in the house is off. Either one alone is worth a call to check.

Slab Leak?

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Plumbing in CaliforniaBurst PipeClogged DrainDrain CleaningEmergency PlumberLow Water PressureNo Hot WaterOverflowing ToiletPlumber Near MeSewer Line RepairWater Heater RepairWater Leak Repair

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