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water quality

Slab Leak Repair


Understanding Slab Leaks

A Slab Leak Repair is needed when water leaks beneath the concrete slab foundation of a home or building. These leaks can be caused by various factors, including corrosion, shifting ground, or poor construction, leading to severe structural damage if not addressed promptly.

Causes of Slab Leaks

Common causes of slab leaks include:

  • Corrosion of pipes due to age, water chemistry, or contact with soil
  • Ground movement, leading to pipe breakage
  • Poor construction and installation of plumbing systems
  • Signs of a Slab Leak
  • Unexplained High-Water Bills

An unexpected spike in your water bill may indicate a slab leak. Leaking water under the foundation can waste thousands of gallons, leading to higher utility costs.

  • Damp Carpets or Flooring

If you notice wet or damp spots on your floors, it could be a sign of a slab leak. The water seeping through the concrete slab may cause damage to carpets, hardwood floors, or tiles.

  • Low Water Pressure

A drop in water pressure throughout your home could be a symptom of a slab leak, as water escapes from the damaged pipe and reduces the overall pressure in the plumbing system.

  • Mold and Mildew Growth

Excess moisture caused by a slab leak can lead to mold and mildew growth in your home, posing health risks and potentially damaging your property.

  • Warm or Cold Spots on the Floor

If you feel unexplained warm or cold spots on your floor, it may be due to a hot or cold water pipe leaking beneath the slab.

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Slab Leak Repair: Detection

Visual Inspection

Perform a visual inspection for signs of water damage, such as damp flooring, cracked tiles, or foundation cracks. This can help identify the source of the problem.

Professional Leak Detection Services

Hire a professional plumber to accurately locate the slab leak using specialized equipment and techniques, such as acoustic listening devices, infrared cameras, or electronic leak detection.

Tools and Techniques

Various tools and techniques can be used to detect slab leaks, including:

  • Acoustic listening devices
  • Infrared cameras
  • Electronic leak detection
  • Video pipe inspection
  • Slab Leak Repair Options
  • Spot Repair

Spot repair involves opening the slab at the leak location and fixing the damaged pipe. This method is suitable for minor leaks and is typically less expensive than other options. However, it may not be the best long-term solution if there are multiple leaks or if the pipes are in poor condition.

Repiping or Rerouting

Repiping involves replacing the entire plumbing system with new pipes, while rerouting means redirecting the water lines around the damaged section. Both methods are more extensive and costly than spot repair but can provide a more permanent solution, especially for homes with older pipes or multiple leaks.

Epoxy Pipe Coating

Epoxy pipe coating is a non-invasive method that involves cleaning the interior of the pipe and applying a protective epoxy coating to seal leaks and prevent future corrosion. This method can be a cost-effective alternative to repiping or rerouting, especially for smaller leaks and pipes in hard-to-reach areas.

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Preventive Measures

Regular Plumbing Inspections

Scheduling regular plumbing inspections can help identify potential issues before they become significant problems. Professional plumbers can examine your pipes for signs of wear, corrosion, or damage and recommend appropriate preventive measures.

Water Pressure Regulation

Maintaining proper water pressure in your plumbing system can help prevent slab leaks. High water pressure can strain your pipes, increasing the risk of leaks. Installing a pressure regulator can help maintain a consistent and safe water pressure level.

Proper Drainage

Ensuring proper drainage around your property can help prevent soil movement and reduce the risk of slab leaks caused by shifting ground. Make sure your gutters, downspouts, and drainage systems are functioning correctly and directing water away from your home’s foundation.

FAQs: Slab Leak Repair

  1. What is the average cost of slab leak repair?

The cost of slab leak repair can vary widely depending on the location, the extent of the damage, and the chosen repair method. On average, you can expect to pay anywhere from $500 to $4,000 or more.

  1. How long does it take to repair a slab leak?

The time required to repair a slab leak depends on the complexity of the issue and the chosen repair method. Spot repairs can typically be completed within a day, while repiping or rerouting may take several days to complete.

  1. Can I repair a slab leak myself?

It is not recommended to attempt a slab leak repair yourself, as it requires specialized tools, knowledge, and experience. Hiring a professional plumber ensures the leak is accurately located and repaired, minimizing damage to your property and preventing potential safety hazards.

  1. Are slab leaks covered by homeowners’ insurance?

Coverage for slab leaks varies depending on your insurance policy. Some policies may cover the cost of repairing the damage caused by the leak but not the cost of fixing the leak itself. It’s essential to review your policy and consult with your insurance agent to determine your coverage.

  1. How can I prevent slab leaks?

To prevent slab leaks, schedule regular plumbing inspections, maintain proper water pressure with a pressure regulator, and ensure proper drainage around your property. Additionally, consider upgrading your plumbing system if it is outdated or showing signs of wear and corrosion.


Slab leaks can cause extensive damage to your property if not addressed promptly. By understanding the signs of a slab leak, seeking professional assistance for detection and repair, and taking preventive measures, you can protect your home and minimize the risks associated with slab leaks.

If you suspect a slab leak in your home, don’t hesitate to contact the experts at Jilly Plumbing in Boerne. Our experienced team is ready to assist you with slab leak detection and repair services tailored to your specific needs. Call us today or visit our website to schedule an appointment or learn more about our services.

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