Slab leak water damage comes from a supply pipe that has failed in or under a concrete slab floor. Dispatch is open 24/7. While you wait, close the main water valve, keep everyone off wet floors near outlets, and move rugs and furniture off any damp spot. If you smell gas, leave and call the utility or 911 first.
A slab leak is a plumbing fault, and the water it releases is a restoration job.
Hot spots on the floor, a running water sound or a rising water bill?
If part of your floor feels warm, you hear water running with every tap off, or the water bill jumped with no change in habits, a pipe may be leaking where you cannot see it. Damp carpet, a musty smell at the baseboard, or a small crack that stays wet point the same way.
Tradespeople call this a slab leak. Plumbers find and fix the pipe, and restoration crews dry the floor, walls and anything the water touched. This page covers that second half.
Suspected slab leak: shut the water off and stay safe
Water under a floor can run for days, so shutting the supply early is the most useful thing you can do. Same-day response is offered when crews are open to take the job, including nights and weekends. Before you call, handle any electrical or gas risk first.
- Close the main water valve, usually near the meter or where the line enters the house.
- Check the meter. With every fixture off, a moving dial or a spinning low-flow indicator means water is still escaping.
- If the floor is wet near outlets, appliances or a panel, stay out and call the electric utility or 911 for any shock risk.
- If you smell gas, leave the building and call the gas utility or 911 from outside.
- Open a faucet at the lowest point to relieve pressure, then take photos of every damp area.
How a leak under a concrete floor reaches the surface
Pipes under or inside a slab can fail from corrosion, abrasion against gravel and concrete, or movement in the soil around them. The pressurized water finds the easiest path. It travels along the pipe trench, through slab joints and cracks, and out to the floor edge, so the wet spot can sit far from the leak itself.
Not every house has supply pipes under a slab. Homes with basements or crawl spaces often route them differently, and nothing here suggests slab leaks are common in Bensenville. Check how your own home is built. If you are unsure which permits apply to plumbing work, the Village Community and Economic Development office can tell you.
Confirming the leak before anyone opens a floor
A plumber confirms a slab leak with a pressure test, a meter check and listening gear that picks up the sound of water in a pipe. Opening concrete is expensive and disruptive, so the location should be proven first. Restoration crews join once the supply is shut and the plumber has a plan.
While that happens, a moisture meter and thermal imaging camera show how far the water has spread through flooring and wall bottoms. Readings taken early give you a record for the plumber and for your insurer.
Water spreading or a smell you cannot place? Talk to dispatch now.
(630) 580-6401What gets wet: flooring, baseboards and the slab itself
Concrete holds moisture and gives it up slowly, so a slab can keep a floor wet long after the pipe is fixed. Drying uses air movers and LGR dehumidifiers, and sometimes low-profile mats that pull water through the surface. The work follows ANSI/IICRC S500, and the plan depends on what sits on top of the slab.
| Floor over the slab | What the water does | Usual response |
|---|---|---|
| Carpet and pad | Wicks up and holds water | Pad removed, carpet dried or replaced |
| Engineered or solid wood | Cups and lifts from the slab | Fast drying may save it, see hardwood floor water damage |
| Vinyl plank or laminate | Traps water underneath | Planks lifted, slab dried |
| Tile | Water sits under tile and grout | Often dried in place, loose tile lifted |
| Baseboards and drywall bottoms | Wicks up several inches | Cut back and dried |
Pipe repair routes, and what restoration waits on
Plumbers usually offer three routes. They can open the slab and repair the pipe, reroute the line through walls or the attic, or replace the whole run. Each leaves a different mess, from a small patch in concrete to new lines through walls.
Restoration timing follows that choice. Drying can begin as soon as the water is off, but flooring goes back only after the repair is done and the slab reads dry. Meeting both teams' schedules matters, and the page on structural drying explains how readings decide the finish.
What changes the cost of slab leak water damage
You get the scope and the price in plain terms before a crew starts. The pipe repair is a plumbing cost and is separate from drying. Insurance note: sudden and accidental water damage is often covered, but a leak that ran for months often is not, and some policies treat slab access differently, so ask your insurer what your policy actually covers. Questions about your case? Call (630) 580-6401.
- How long the leak ran before the first symptom appeared.
- How much flooring and how many rooms are wet.
- Whether the floor covering can be dried in place.
- How long the slab takes to read dry on the meter.
- Whether other trades must open walls or lift cabinets.
Water supply, meters and rentals in Bensenville
Bensenville water is Lake Michigan water, treated by the City of Chicago, carried by the DuPage Water Commission and distributed by the Village's Public Works Utilities Division. If your bill climbs and you cannot find a cause, call Public Works at (630) 350-3435 to ask how to read your meter and rule out a problem on the street side.
About half of Bensenville homes are rentals. In a rental, the tenant often notices the warm floor and the landlord pays the plumber, so tenants should report in writing with dated photos. If the water is included in rent, the bill may not show the problem at all.
Neighbors in Franklin Park and surrounding towns can call the same line. Water that reaches a lower level may also call for basement water damage cleanup.
Questions about Slab Leak Water Damage
Do you handle slab leak water damage emergencies at night or on weekends in Bensenville?
Yes. The line is open 24/7 and sends licensed and insured restoration professionals. Same-day response is offered when crews are open to take the job, and the first advice is to close the main water valve.
Why is one spot on my floor warm and my water bill going up?
A warm spot can mean a hot water pipe is leaking under the floor, and a bill that rises with no change in use says water is escaping somewhere. Shut the main valve, check the meter with fixtures off, and call a plumber to confirm.
How do I know it is a slab leak and not something else?
A meter that moves with everything off, a sound of running water and damp flooring with no visible source all fit. Only a plumber's testing confirms it. Many leaks of this kind come from a failing line elsewhere in the house.
Is a slab leak covered by insurance?
Coverage varies. Sudden and accidental damage is often covered, and long-running leaks often are not. The cost of reaching the pipe may be treated separately, so ask your insurer before work and keep every receipt.
Can the floor be dried while the pipe is still leaking?
No, because the water would keep coming. The supply is shut first, the plumber locates and repairs the leak, and drying runs alongside until readings drop.
How do I find out whether my home has pipes under the slab?
Ask a plumber, check your home's plans if you have them, or contact the Village Community and Economic Development office about what permit records exist. Homes with basements or crawl spaces are often built differently.
Still unsure which page fits your situation? Dispatch can sort it out in one call.
(630) 580-6401