For more help with this issue, see signs of a slab leak under your home, underground pipe leak emergencies, our emergency leak detection overview, and sewer line problems under slabs.
Hot Water Line Break Cooking The Slab
A split in a hot line under the foundation pours heated water into the soil continuously — you pay for the water and the energy to heat it, while the slab above bakes. Thermal imaging sees this heat signature clearly, often pinpointing the break within minutes of arrival.