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Slab Leak Repair and Detection in Dallas-Fort Worth

Protect your foundation from costly water damage with expert slab leak detection and non-invasive repair solutions

Advanced Electronic Detection
Non-Invasive Repair Options
Licensed Master Plumbers
24/7 Emergency Response
LEX Slab Leak Repair in DFW

Licensed Master Plumbers Advanced Leak Detection Equipment Foundation Protection Experts Insurance Claims Assistance

Dallas-Fort Worth's Trusted Slab Leak Specialists

A slab leak isn't just a plumbing problem—it's a threat to your home's foundation. When water or sewer lines beneath your concrete slab foundation develop leaks, they can cause thousands of dollars in structural damage, massive water bills, and dangerous mold growth. At LEX Air Conditioning and Heating, our licensed master plumbers use state-of-the-art leak detection technology to pinpoint slab leaks without destructive exploratory digging.

Since 2004, we've protected Dallas-Fort Worth homes from foundation-damaging slab leaks. Our non-invasive detection methods include electronic amplification equipment, acoustic listening devices, and thermal imaging—allowing us to locate leaks with pinpoint accuracy. Once detected, we offer multiple repair solutions from spot repairs to complete repiping, always presenting you with upfront pricing before any work begins.

22+ Years Foundation Experience
Electronic Leak Detection Equipment
Non-Destructive Detection Methods
Insurance Documentation Support
Emergency? Call (972) 466-1917
LEX plumber performing slab leak detection

Our Slab Leak Detection and Repair Services

Comprehensive solutions to protect your foundation and stop water damage.

Electronic Leak Detection

Advanced electronic amplification equipment detects the sound of water escaping from pipes beneath your slab—no guesswork, no unnecessary digging.

Thermal Imaging

Infrared cameras identify hot spots from leaking hot water lines and cold spots from fresh water leaks, showing us exactly where to focus repairs.

Acoustic Leak Detection

Highly sensitive listening devices pick up the distinctive sound frequency of water leaking from pressurized pipes beneath concrete slabs.

Spot Repair Services

For isolated leaks, we create minimal access points, repair or replace the damaged pipe section, and restore your flooring to original condition.

Trenchless Rerouting

Bypass damaged under-slab pipes by rerouting new lines through walls or attic spaces—saving your floors from extensive demolition.

Insurance Assistance

We provide detailed documentation, photos, and reports to support your insurance claim, helping you maximize coverage for repairs.

Warning Signs of a Slab Leak

Don't ignore these critical indicators—early detection saves thousands in foundation repair costs.

Hot Spots on Your Floor

Unexplained warm areas on tile or concrete floors indicate a hot water line leak beneath your slab—one of the most reliable early warning signs.

Skyrocketing Water Bills

A sudden spike in your water bill without increased usage means water is escaping somewhere—often from pipes beneath your foundation.

Foundation Cracks

New cracks in your foundation, walls, or flooring can signal water undermining the structural integrity of your slab foundation.

Sound of Running Water

Hearing water flowing when all fixtures are turned off indicates a hidden leak—potentially beneath your slab or inside walls.

Low Water Pressure

Sudden drops in water pressure throughout your home suggest a major leak diverting water before it reaches your fixtures—check for slab leaks immediately.

Damp Carpet or Flooring

Unexplained moisture, damp spots, or water stains on carpeting or wood floors—especially near exterior walls—point to under-slab leaks.

Mold or Mildew Growth

Persistent mold or mildew despite cleaning, particularly at floor level, thrives on moisture from slab leaks seeping upward through concrete.

Water Pooling in Yard

Soggy areas in your lawn or water bubbling up from the ground near your foundation indicate severe under-slab water line leaks requiring immediate attention.

Noticing any of these warning signs? Every day you wait allows more water damage to your foundation. Act now.

Call for Emergency Detection

Our Slab Leak Detection and Repair Process

What to expect when you call LEX for slab leak services.

1

Emergency Response & Assessment

Call us 24/7 for immediate dispatch. Our licensed plumber arrives with professional leak detection equipment and conducts a thorough visual inspection of your property for warning signs.

2

Advanced Electronic Detection

We use electronic amplification, acoustic listening devices, and thermal imaging to pinpoint the exact location of leaks beneath your slab—no destructive exploratory excavation required.

3

Upfront Pricing & Repair Options

Before any work begins, we present you with clear repair options—spot repair, pipe rerouting, or full repiping—with transparent, upfront pricing. You choose the solution that fits your budget.

4

Expert Repair & Restoration

Our master plumbers perform precision repairs using quality materials, minimize disruption to your home, restore flooring to original condition, and test everything thoroughly before finishing.

Why Choose LEX for Slab Leak Repair?

Non-Invasive Detection

Our advanced electronic equipment pinpoints leaks without tearing up your floors—saving you thousands in unnecessary demolition and restoration costs.

24/7 Emergency Service

Slab leaks damage your foundation every minute they go unrepaired. We respond immediately—day or night, weekends and holidays included.

Licensed Master Plumbers

Our technicians hold Texas Master Plumber licenses and specialized training in foundation plumbing—you get expertise, not guesswork.

Foundation Protection Focus

We understand that slab leaks threaten your home's structural integrity. Our repairs protect your foundation investment, not just fix pipes.

Insurance Documentation

We provide detailed reports, photos, and documentation to support your insurance claim—helping you get maximum coverage for repairs.

Upfront Pricing, No Surprises

You'll know the exact cost before we start work. No hidden fees, no surprise charges—just honest, transparent pricing from a family-owned company.

"We had a mysterious hot spot on our living room floor and our water bill doubled. LEX came out same-day, used their electronic equipment, and found the leak beneath our slab in less than an hour—without tearing up our tile! They rerouted the pipe through the attic and saved us from demolishing our entire floor. Professional, fast, and worth every penny."
— Jennifer Martinez, Plano, TX

Slab Leak Detection and Repair Pricing

Slab leak repair costs vary based on leak location, pipe material, and access difficulty. Here's what Dallas-Fort Worth homeowners typically invest:

Electronic Leak Detection Service $300-$600
Spot Repair (Single Leak) $1,500-$3,500
Pipe Rerouting/Bypass $2,500-$5,000
Complete Under-Slab Repiping $4,000-$12,000+

*Prices vary based on home size, pipe material (copper vs. PEX), accessibility, and extent of damage. We provide upfront quotes before work begins. Many homeowners' insurance policies cover slab leak repairs—ask about our insurance documentation assistance.

Get Your Exact Quote

Every slab leak situation is unique. Call now for professional leak detection and transparent pricing—no obligation, no pressure.

(972) 466-1917

Financing available • Insurance claims assistance

All Pipe Materials & Systems

Our master plumbers work with all under-slab plumbing materials and configurations.

Copper Pipe • PEX • CPVC • Galvanized Steel • Cast Iron • PVC • ABS • All Water Line Types • All Sewer Line Types

Not sure what type of pipes you have? We'll identify your system during inspection. Call (972) 466-1917

Licensed, Certified & Trusted Across DFW

LEX Certifications: Google 5-Star Reviews, BBB A+ Rating, Google Guaranteed, Licensed Master Plumbers, Texas Licensed

Slab Leak Detection and Repair Service Area

We protect homes throughout the Dallas-Fort Worth metroplex from foundation-damaging slab leaks.

Slab Leak Repair FAQs

What causes slab leaks in Dallas-Fort Worth homes?

Slab leaks in DFW homes are primarily caused by shifting clay soil that moves with moisture changes, creating pressure on under-slab pipes. Other causes include pipe corrosion (especially in older copper pipes), poor initial installation, chemical reactions with soil, and high water pressure wearing through pipe walls. Texas expansive clay soil makes our region particularly susceptible to foundation movement and resulting pipe damage.

How do plumbers detect slab leaks without tearing up my floor?

Professional plumbers use non-invasive electronic leak detection equipment including acoustic listening devices that pick up the sound frequency of escaping water, electronic amplification equipment that tracks water flow, thermal imaging cameras that show temperature anomalies from leaking hot or cold water, and tracer gas detection for particularly difficult leaks. These technologies pinpoint leak locations with remarkable accuracy—typically within inches—eliminating destructive exploratory excavation.

Should I repair a slab leak or repipe my entire house?

The answer depends on several factors: if you have a single isolated leak in newer pipes, spot repair is usually most cost-effective. However, if your home has older pipes (especially original galvanized or copper lines over 25+ years old), multiple previous leaks, or pipes showing widespread corrosion, whole-home repiping is often the better long-term investment. Our plumbers assess your specific situation and present both options with transparent pricing so you can make an informed decision.

Does homeowners insurance cover slab leak repairs?

Most homeowners insurance policies cover the cost of accessing and repairing slab leaks, including demolition and restoration of flooring—but typically not the cost of repairing "gradual damage" or the pipes themselves if they failed due to age. Coverage varies by policy, so review your specific policy language. LEX provides detailed documentation, photos, moisture readings, and professional reports to support your claim and help maximize your coverage. Many of our customers receive substantial insurance reimbursement for slab leak repairs.

How much does slab leak detection and repair cost in Dallas-Fort Worth?

Electronic leak detection typically costs $300-$600. Spot repair of a single slab leak ranges from $1,500-$3,500 depending on accessibility and pipe type. Pipe rerouting (bypassing the damaged under-slab section by running new pipes through walls or attic) runs $2,500-$5,000. Complete under-slab repiping can cost $4,000-$12,000+ depending on home size and complexity. We provide upfront pricing before any work begins, and many costs are covered by homeowners insurance.

Can I ignore a small slab leak if it's not causing visible damage yet?

Absolutely not. Even "small" slab leaks cause progressive foundation damage, waste thousands of gallons of water monthly (dramatically increasing your water bill), create ideal conditions for toxic mold growth, and invariably worsen over time as water pressure and soil movement enlarge the leak. What starts as a pinhole leak can become a catastrophic foundation failure requiring tens of thousands in structural repairs. Slab leaks never fix themselves—early detection and repair always cost far less than delayed action.

How long does slab leak repair take?

Detection typically takes 1-2 hours. Spot repair of a single leak usually takes 1 full day including creating the access point, repairing the pipe, pressure testing, and basic flooring restoration. Pipe rerouting takes 1-2 days depending on complexity and path requirements. Complete under-slab repiping for an average home takes 3-5 days. Our plumbers work efficiently to minimize disruption while never compromising quality—and we always provide realistic timelines upfront.

What's the difference between trenchless repair and traditional slab leak repair?

Traditional slab leak repair involves breaking through your concrete slab and flooring to access the damaged pipe directly—necessary for spot repairs but more invasive. Trenchless repair (pipe rerouting) bypasses the damaged under-slab section entirely by running new pipes through your attic, walls, or crawlspace—preserving your flooring. Trenchless costs more upfront but eliminates demolition and restoration expenses and is often preferable when under-slab pipes are old or difficult to access. We assess your situation and present both options with pricing.

Don't Let a Slab Leak Destroy Your Foundation

Every day you wait, water damages your home's structural integrity. Call LEX now for expert detection and repair.

Licensed Master Plumbers • 24/7 Emergency Service • Insurance Claims Assistance