Water escaping under a slab can wash out the soil that supports the concrete and weaken the foundation. The two jobs are different: finding and fixing the leak is plumbing work, and restoring support under the slab is where we come in.
When this comes up
Under-slab leaks are not always obvious. These are things homeowners report that a plumber or foundation specialist may want to look into. Each can have other explanations.
- Unexplained increases in a water bill
- Damp or warm spots on a floor
- Sound of running water when fixtures are off
- Cracks or movement in the slab or walls near plumbing lines
How the work is divided
Locating and repairing the leak is done by plumbing professionals. We coordinate with them so the foundation work follows once the plumbing is fixed. If you do not yet have a plumber, tell us and we can talk through what usually needs to happen first.
What we look at
Once the leak is repaired, we evaluate the slab and the soil conditions beneath and around it. We look for settlement or voids and for related signs in the floors and walls, and we photograph problem areas so we can explain what we found.
- Whether the slab has settled or lost support in the leak area
- Voids or soil loss beneath the concrete
- Related cracking or movement in floors and walls
Repair scope
After the leak is repaired, we stabilize and re-support the affected area. What that involves depends on what the evaluation finds, and your written estimate lays it out before work is scheduled.
