Slab Leak Detection & Repair
Locating and repairing slab leaks in homes across Braselton and Northeast Georgia.
A leak under a concrete slab is one of the most disruptive plumbing problems a homeowner can face, mostly because you can’t see it happening. Water escapes from a pipe running beneath the foundation, seeps into the soil and the slab itself, and by the time it shows up as a warm spot on the floor, a spike in the water bill, or a crack running through tile, it may have been running for weeks. Northeast Georgia’s red clay soil compounds the problem - clay shifts and expands with moisture changes far more than sandy soil does, which puts extra stress on the pipes running beneath slab foundations in newer subdivisions around Braselton, Hoschton, and Jefferson. MitigAid Restoration locates slab leaks with real detection equipment, not guesswork, and handles the repair and any resulting water damage as one job.
- Non-invasive leak detection using acoustic and pressure testing
- Precise location before any concrete is cut
- Pipe repair or re-route around the damaged section
- Water extraction and drying for any resulting flooring or wall damage
- Moisture logs and photo documentation for insurance
- Free estimates and direct adjuster coordination
What a Slab Leak Is
A slab leak is a leak in the water supply or drain lines that run underneath a concrete slab foundation. These pipes are typically installed before the concrete is poured, which means any failure - from corrosion, ground shifting, or a manufacturing defect in the pipe itself - happens in a space that’s completely inaccessible without cutting into the slab. Unlike a leak in an exposed pipe, a slab leak doesn’t announce itself right away; it builds slowly under the floor.
Because the water has nowhere to drain, it saturates the soil beneath the slab and works its way up through cracks, expansion joints, or the edge of the foundation, which is often the first place homeowners actually notice something is wrong.
Signs You May Have a Slab Leak
The most common early sign is an unexplained increase in your water bill with no corresponding change in usage. Beyond that, watch for a warm or damp patch on the flooring - especially over a hot water line - the sound of running water when every fixture in the house is off, low water pressure throughout the home, and cracks appearing in tile, flooring, or the slab itself as the ground beneath shifts.
In more advanced cases, you may notice mildew smell coming up through the flooring, or standing water at the edge of an exterior wall where the slab meets the foundation. Any of these signs are worth investigating before the leak causes more extensive foundation or flooring damage.
Why Red Clay Soil Makes This a Bigger Issue Here
Clay soil, which dominates the rolling terrain across Jackson, Barrow, Hall, and Gwinnett counties, expands significantly when saturated and contracts hard when it dries out. That constant swelling and shrinking puts stress on pipes running through or under it, and it’s part of why slab leaks in newer subdivisions built on cleared clay lots aren’t rare. A leak that starts small can accelerate quickly once the surrounding clay starts moving in response to the extra moisture.
This is also why detecting and repairing a slab leak early matters more here than it might on stable, well-drained soil - a leak that’s allowed to run for months can contribute to differential settling under the foundation, which is a far more expensive problem than the plumbing repair itself.
How We Detect a Slab Leak
We don’t start by cutting concrete. Detection begins with isolating which system - hot water, cold water, or drain line - is involved, often using pressure testing on the plumbing system to confirm a loss of pressure consistent with an underground leak. From there we use acoustic listening equipment, which picks up the specific sound signature of water escaping under pressure through soil and concrete, to narrow down the leak’s location.
We also use temperature-sensitive equipment when the leak is on a hot water line, since escaping hot water creates a detectable heat signature on the slab surface. Combining these methods lets us mark a specific, small area for access rather than opening up a large section of flooring to search for the source.
Repair Approaches: Access vs. Re-Route
Once the leak is located, there are generally two paths. The first is direct access - cutting a small section of the slab, exposing the damaged pipe, and repairing or replacing that segment before patching the concrete and flooring back. This works well when the leak is isolated and easily reached.
The second approach is a re-route, where instead of repairing the damaged underground section, we run a new line above the slab or through an accessible wall or ceiling path, bypassing the problem area entirely. This is often the better option when the damaged pipe is difficult to access, when the surrounding pipe material is old enough that other sections are likely to fail soon too, or when disturbing the slab isn’t practical given the flooring above it.
Restoring Flooring and Finishes
Repairing the leak itself is only part of the job. Whatever flooring sits above the repair area - tile, hardwood, carpet, or engineered flooring - needs to be removed to access the slab and then replaced or patched once repairs are complete. We coordinate this so the flooring work matches the surrounding material as closely as possible, and we handle any water-damaged baseboards, drywall, or subflooring nearby that may have absorbed moisture before the leak was found.
If the leak has been running long enough to soak into surrounding materials, that area gets dried and monitored the same as any other water damage job - it isn’t safe to just patch over damp material because the leak itself has been stopped.
Documenting the Loss for Insurance
Slab leaks are frequently covered under homeowners insurance policies for the resulting damage, even though policies vary on what portion of the plumbing repair itself is covered. We document the detection process, the location and cause of the leak, and any resulting water damage with photos and written notes, and we’re available to speak directly with your adjuster to walk through the scope of work.
We provide a free estimate covering both the detection and repair, and the drying or restoration of any affected flooring and structure, so you have the full picture before work begins.
Why Guessing Costs More Than Detecting
The biggest mistake we see with slab leaks is skipping detection and going straight to demolition - opening up a large section of flooring in the general area of a suspected leak, hoping to find it. That approach is slower, more expensive, and does more damage to the home than necessary. Detection equipment exists specifically to avoid this kind of guesswork, and using it consistently saves homeowners real money in flooring and concrete restoration.
We also see people delay calling because the leak isn’t causing visible flooding - it’s just a higher water bill or a slightly warm spot on the floor. Slab leaks don’t get better on their own, and the underlying pipe only continues to deteriorate the longer it runs.
When to Call Us
If you notice an unexplained jump in your water bill, a warm or damp spot on flooring, cracked tile with no obvious cause, or the sound of running water with everything off, it’s time for a professional to check for a slab leak. Catching it early keeps the repair small and protects your foundation and flooring from further damage.
MitigAid Restoration answers calls 24/7 with immediate dispatch, and the owner is on every job from detection through the final flooring patch.
Often needed alongside this
Water Damage Repair
Ceiling, drywall, and floor repair after a leak or flood, handled start to finish.
24/7 Emergency Plumber
Live-answered emergency plumbing dispatch, day or night, across Northeast Georgia.
Mold Remediation
Mold removal for crawl spaces, basements, and black mold from water damage, done right.
Slab Leak Detection & Repair across North Georgia
We dispatch across a roughly 40-mile radius around Gainesville, from Braselton, Hoschton and Buford through Flowery Branch, Cumming, Dahlonega and Cleveland.
Questions about this topic
Slab Leak Detection & Repair FAQs
Finding and fixing leaks under a concrete slab in homes across Braselton, Flowery Branch, Suwanee, and the rolling terrain of Northeast Georgia.
Water Damage Repair FAQs
Questions about drying times, insurance coordination, and structural repair after a water loss in Braselton, Hoschton, and the surrounding North Georgia area.
Frozen Pipes FAQs
What to do when pipes freeze or burst during a hard winter freeze in Braselton, Hoschton, Jefferson, Winder, and the rest of Northeast Georgia.