Water bill spikes with no visible leak
We pressure test the line to confirm it is losing water, then use acoustic detection to pinpoint the break. Most hidden leaks are found and repaired in a single visit.
Licensed, insured, and ready to stop the water under your floor.
Polybutylene Pipe Slab Leak Repair in Venice
Polybutylene Pipe Slab Leak Repair in Venice is our specialty, and we handle it for homeowners across Sarasota County. If you have gray polybutylene pipe under your slab, a leak can soak your foundation and spike your water bill before you ever see a puddle. We use acoustic leak detection microphones and thermal imaging cameras to pinpoint the break, then repair or reroute the line with minimal concrete cutting. Call (941) 393-1086 and we will be on our way.
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About this service
What Polybutylene Pipe Slab Leak Repair in Venice Involves
Polybutylene Pipe Slab Leak Repair in Venice is the process of locating a failed polybutylene water line beneath a concrete slab and restoring it so water stops escaping into the soil under your home. Polybutylene pipe was installed in thousands of Florida homes between the late 1970s and mid-1990s, and it is prone to pinhole leaks, fitting failures, and chlorine degradation. We start with electronic leak detection equipment and a pressure testing gauge to confirm the line is losing pressure, then use a pipe locator to map the exact run before we open anything.
Venice homeowners call us most often when they notice a warm spot on the floor, the sound of running water with no fixtures on, or a water bill that jumped $40 to $120 in a single month. Because polybutylene pipe leak under slab Venice problems rarely show visible water at first, the damage stays hidden until the slab or flooring starts to shift. We also handle emergency polybutylene slab leak repair Venice FL calls after a pressure spike or a failed fitting finally gives way.
- ✓ Pinpoint Accuracy, Less Concrete
- ✓ Same-Day Emergency Response
- ✓ Repair or Reroute Options
- ✓ Code-Correct, Warrantied Work
What's included
What Our Polybutylene Slab Leak Repair Includes
Every job starts with detection and ends with a pressure-tested, patched slab. Here is what is covered in a standard repair. If your situation needs rerouting or full under-slab replacement, we price that separately and explain why before we start.
✓
Full Leak Detection
Acoustic microphone, thermal imaging camera, and pressure testing gauge to confirm the leak and mark the exact break location. This is included in every diagnostic and takes 45 to 90 minutes.
✓
Concrete Access Cut
One 12-inch by 12-inch access opening cut with a wet saw to control dust. We map the slab first to avoid post-tension cables and rebar. Larger openings are quoted before we cut.
✓
Pipe Repair or Section Replacement
We cut out the failed polybutylene section and rebuild it with SharkBite or Mueller fittings rated for the line. If the surrounding pipe is brittle, we replace a longer section to prevent a repeat leak.
✓
Pressure Test and Documentation
The repaired line is charged to 80 PSI and held for 30 minutes. You get the test readings in writing, which is useful for insurance claims and future home inspections.
✓
Concrete Patch and Cleanup
We backfill with sand, pour a concrete patch matched to your slab, and clean the work area. Flooring can usually go back down after the patch cures, typically 24 to 48 hours.
How it works
Our Polybutylene Slab Leak Repair Process
01
Phone Triage
We ask three questions: where is the warm spot, what is your water bill doing, and do you hear running water with everything off. That tells us whether to treat it as an emergency or schedule a same-day diagnostic. You get a straight answer on the phone, not a sales pitch.
02
Leak Detection
On site, we pressurize the polybutylene line with a pressure testing gauge and walk the slab with an acoustic leak detection microphone. A thermal imaging camera confirms the temperature signature of the break. This step takes 45 to 90 minutes and narrows the leak to a 6-inch target zone.
03
Access and Repair
We cut a single access opening through the concrete, usually 12 by 12 inches, using a wet saw to control dust. Then we expose the failed section, cut out the bad pipe, and rebuild it with SharkBite or Mueller fittings rated for the line. Most repairs are complete in two to four hours.
04
Pressure Test and Patch
Before anything gets covered, we recharge the line to 80 PSI and hold it for 30 minutes. If it holds, we backfill with sand, pour a concrete patch matched to your slab, and clean the work area. You get the test readings in writing.
05
Walkthrough and Warranty
We walk the repair with you, show you the patch, and explain what to watch for over the next 30 days. You get a written warranty and our direct number for follow-up. If anything looks off, you call us, not a call center.
Tools & methods
Tools and Methods We Use on Polybutylene Leaks
Purpose-built equipment, used by trained technicians — so the job is done accurately the first time.
Acoustic Leak Detection Microphone (Sewerin)
Listens to the sound of pressurized water escaping the pipe through the slab. It is our first pass on every polybutylene call because it is fast and non-invasive.
Thermal Imaging Camera (Fluke)
Shows temperature differences on the slab surface. Hot water polybutylene leaks appear as warm streaks, confirming the leak location in minutes.
Electronic Leak Detection Equipment
Sends a signal along the pipe and reads the disruption at the break. Useful when acoustic detection is inconclusive or the leak is very small.
Pressure Testing Gauge
Isolates the polybutylene line and charges it to 80 PSI. If pressure drops, the line is leaking. This test confirms the diagnosis before we cut concrete.
Pipe Locator
Maps the exact path of the polybutylene line under the slab so we know where to cut and where to avoid post-tension cables.
Video Inspection Camera (RIDGID, Milwaukee)
Lets us look inside the pipe after we open the slab to check for additional degradation or fitting damage beyond the immediate leak.
Real results
Before and after.
Hidden Leak in South Venice Ranch Home
Before
A family in South Venice watched their water bill climb from $65 to $185 over two months. No visible water, no running sounds. A plumber told them it was probably irrigation.
After
We pressure tested the polybutylene line, found it losing 12 PSI in 20 minutes, and located the break with acoustic detection. One 12-inch access cut, one fitting replaced, pressure test passed at 80 PSI. Bill returned to normal the next cycle.
Hot Water Leak Under Venice Gardens Tile
Before
A homeowner noticed a warm spot on the tile floor near the hallway. The tile had started to lift at one corner. They worried the whole floor would need to come up.
After
Thermal imaging confirmed a hot water polybutylene leak 8 inches from the warm spot. We cut one access, replaced the failed section, and pressure tested at 80 PSI for 30 minutes. Only four tiles needed to be lifted and reset.
Repeat Leaks Solved With Attic Reroute
Before
A North Venice homeowner had three polybutylene repairs in four years, each one cutting a new hole in the slab. They wanted off the merry-go-round.
After
We assessed the full run, found widespread pipe degradation, and rerouted the line through the attic with new PEX pipe. The old polybutylene was abandoned in place. No new slab cuts, and the new line carries a longer warranty.
Problems we solve
Polybutylene Problems We Solve for Venice Homeowners
Polybutylene pipe fails in predictable ways, and each failure creates a different problem for your home. Here is what we see most often and how we fix it.
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Warm spot on the floor
We confirm with a thermal imaging camera, isolate the hot line, and repair the failed section. The warm spot disappears once the leak is stopped.
Sound of running water with fixtures off
Acoustic leak detection microphones let us hear the leak through the concrete. We mark it, cut a small access, and repair the polybutylene line before the soil damage spreads.
Multiple polybutylene leaks over a few years
We assess the full run and recommend rerouting through the attic with new PEX pipe. One project ends the cycle instead of patching the same line every year.
Transparent pricing
What Polybutylene Slab Leak Repair Costs in Venice
$1,200 - $3,500 depending on scope
Typical 2026 pricing in the Venice area runs $1,200 to $3,500 for a polybutylene slab leak repair, with the average around $2,100. Diagnostic alone is $150 to $350. The biggest cost drivers are slab thickness, how deep the line sits, and whether we can reroute instead of cut. We give you a written price before we start, and if the scope changes once we are inside, we stop and talk to you first. No surprise invoices.
A slab leak left alone can waste 200 to 500 gallons a day and lead to foundation repair that costs five figures. Fixing the polybutylene line now is the cheaper path, and our written warranty backs the work.
01Slab thickness and access
A 4-inch slab is faster to cut and patch than a 6-inch reinforced slab. Thicker slabs add $300 to $600 in labor and concrete work.
02Leak depth under slab
Lines sitting 18 inches below grade take longer to expose. Deeper leaks can add $200 to $500 to the job.
03Repair vs. reroute
A spot repair is usually cheaper upfront. Rerouting through the attic costs more but avoids future slab cuts and ends repeat leaks.
04Pipe condition
If the surrounding polybutylene is brittle, we replace a longer section to prevent a repeat. That adds material cost but saves you a second repair.
Proof you can check
Licensed, Insured, and Warrantied
✓
Florida State Plumbing LicenseState of Florida
✓
Backflow Prevention CertificationFlorida Department of Environmental Protection
✓
OSHA Safety CertificationOccupational Safety and Health Administration
✓
IAPMO CertificationInternational Association of Plumbing and Mechanical Officials
✓
ICC Plumbing Code ComplianceInternational Code Council
Customer reviews
What Venice Homeowners Say About Our Work
★★★★★
“Our water bill doubled and we could not find a leak anywhere. These guys came out, ran a pressure test, and had the polybutylene line located in under an hour. They cut one small square in the slab, fixed the fitting, and patched it the same day. Bill went back to normal the next month.”
DR
Dana R.Homeowner, South Venice
✓ Verified“
★★★★★
“Warm spot on the tile floor turned out to be a hot water polybutylene leak. They showed me the thermal image on the camera and explained exactly where it was. Repair took about three hours. They pressure tested it twice before patching and gave me the readings in writing.”
MT
Mark T.Homeowner, Venice Gardens
✓ Verified★★★★★
“Condo slab leak, and I was worried about HOA rules and noise. The crew handled the coordination, kept the work area contained, and finished in one day. They rerouted part of the line through the wall instead of cutting more concrete. No leaks since.”
EP
Elaine P.Condo Owner, Venice Beach
✓ VerifiedMost repairs run $1,200 to $3,500 in 2026, with the average around $2,100. Diagnostic alone is $150 to $350. Cost depends on slab thickness, how deep the line sits, whether we can reroute instead of cut, and whether flooring needs to come up. We give you a written number before we start cutting.
Three reasons dominate: chlorine in the water supply degrades the pipe from the inside, fittings fail at the crimp points, and Florida's shifting soil stresses the line. Polybutylene was discontinued in 1995 for exactly these failure patterns. In Venice, the combination of sandy soil and warm ground temperatures speeds up the process.
Sometimes, yes. If the line can be rerouted through the attic or an exterior wall, we can abandon the under-slab section and run new PEX pipe above grade. That avoids concrete work entirely. It depends on your home layout and where the line enters the slab. We assess both options on site.
We do. Venice Slab Leak Pros is a licensed, insured slab leak contractor based in Sarasota County. We handle detection, repair, rerouting, and concrete patching in-house, so you are not coordinating three different trades. Call (941) 393-1086 and we will schedule a same-day diagnostic.
More services
Related Slab Leak Services We Offer
Slab Leak DetectionBefore any polybutylene repair, we confirm the leak with acoustic and thermal tools. Detection narrows the break to a 6-inch zone, which keeps your concrete cut small and your repair cost down.Explore →
Under-Slab Water Leak RepairPolybutylene is one of several under-slab pipe materials we repair. If your leak turns out to be copper or PVC, we handle that too with the same detection-first approach and the same warranty.Explore →
Hot Water Line Slab Leak RepairHot water lines fail faster because heat accelerates polybutylene degradation. If you feel a warm spot on the floor, that is usually a hot water line leak. We pressure test both lines to confirm which one is losing.Explore →
Cold Water Line Slab Leak RepairCold water polybutylene leaks are quieter and often show up as a high water bill before any wet spot. We isolate the cold line with a pressure testing gauge and repair the failed section.Explore →Copper Pipe Slab Leak RepairOlder Venice homes sometimes have copper under the slab. Copper fails differently than polybutylene, usually from pitting corrosion. We carry the tools and fittings for both materials.Explore →
PEX Pipe Slab Leak RepairWhen we reroute a failed polybutylene line, we often replace it with PEX pipe. PEX handles Florida water chemistry better and carries a longer warranty. We can repair existing PEX leaks too.Explore →
Concrete Slab Leak DetectionSlab thickness and rebar placement affect how we cut and patch. We map the slab before opening it so we avoid post-tension cables and keep the patch structurally sound.Explore →
Water Leak Detection Under ConcreteNot every under-slab leak is polybutylene. We use electronic leak detection equipment to identify the source whether it is a supply line, drain line, or irrigation stub.Explore → Ready when you are
Get Your Polybutylene Pipe Slab Leak Repair in Venice Started Today
Every day you wait, water keeps moving under your slab. We are licensed, insured, and we carry a written warranty on every repair. Call now and we will schedule a same-day diagnostic or an emergency visit if the leak is active.
Schedule My Repair (941) 393-1086 →
Request an appointment
Call Venice Slab Leak Pros
Reach us at (941) 393-1086 any hour for slab leak detection and repair in Venice, Florida. We answer the phone ourselves, and emergency calls get a truck rolling fast. For scheduled work, we book same-day detection most weekdays and confirm your window before we head out.
Call anytime(941) 393-1086Email the officeinfo@slableakrepairvenicefl.xyz
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