Introduction to Water Leak Detection Under Slabs

Water leaks under slabs can be a significant issue for both residential and commercial properties. These types of leaks can go unnoticed for extended periods, leading to severe structural damage and costly repairs. Detecting and addressing slab leaks early is crucial for maintaining the integrity of a building and preventing further damage.

At AnyLeak, we specialize in water leak detection under slabs using advanced technology and skilled professionals. Our services are available throughout British Columbia, covering major cities and surrounding areas. This guide will provide an in-depth look at water leak detection under slabs, the importance of early detection, the methods we use, and the benefits of choosing AnyLeak for your leak detection needs.

Understanding Water Leaks Under Slabs

What Are Slab Leaks?

Slab leaks occur when the water pipes running beneath a concrete slab foundation develop leaks. These leaks can be caused by various factors, including:

  • Corrosion: Over time, pipes can corrode due to the chemical composition of the water, leading to leaks.
  • Abrasion: Pipes can wear out due to friction against concrete or gravel, especially if they are not properly insulated.
  • Poor Installation: Subpar installation practices can result in pipes that are not adequately secured or are improperly connected.
  • Soil Shifts: Ground movement can cause stress on the pipes, leading to cracks and leaks.

Signs of Slab Leaks

Detecting a slab leak early can save you from significant damage and expensive repairs. Common signs of slab leaks include:

  • Unexplained Increase in Water Bills: A sudden spike in your water bill without any apparent reason could indicate a hidden leak.
  • Wet or Damp Spots on the Floor: Persistent dampness or wet spots on your floor can be a sign of water seeping up from a slab leak.
  • Warm Spots on the Floor: If you notice unusual warm spots on your floor, it might indicate a hot water pipe leak under the slab.
  • Sound of Running Water: Hearing the sound of running water when no faucets are on can be a clear indicator of a leak.
  • Cracks in Walls or Flooring: Slab leaks can cause the foundation to shift, leading to cracks in walls, flooring, and even the slab itself.
  • Mold and Mildew: The presence of mold and mildew, especially in areas not prone to moisture, can be a sign of a hidden water leak.

Importance of Early Detection

Early detection of slab leaks is essential to prevent extensive damage and high repair costs. If left undetected, slab leaks can lead to:

  • Structural Damage: Continuous water leakage can weaken the foundation, leading to structural instability.
  • Mold and Mildew Growth: Persistent moisture creates an ideal environment for mold and mildew, which can cause health issues.
  • Increased Water Bills: Undetected leaks can result in significant water wastage, leading to higher utility bills.
  • Damage to Flooring and Walls: Water seeping through the slab can damage flooring materials and walls, necessitating costly repairs.

Methods of Water Leak Detection Under Slabs

At AnyLeak, we employ a range of advanced techniques to detect water leaks under slabs accurately. Our methods include:

Acoustic Leak Detection

Acoustic leak detection involves using sensitive listening devices to detect the sound of water escaping from pipes. Our technicians use specialized equipment to listen for the distinct sound of a leak, even through thick concrete slabs.

Thermal Imaging

Thermal imaging cameras detect temperature variations caused by water leaks. By scanning the slab with these cameras, we can identify areas with abnormal temperature differences, indicating the presence of a leak.

Electronic Leak Detection

Electronic leak detection uses electric currents to detect leaks. This method involves sending an electric current through the pipes and measuring the resistance. A change in resistance indicates a potential leak.

Pressure Testing

Pressure testing involves isolating sections of the plumbing system and applying pressure to detect leaks. If the pressure drops in a section, it indicates a leak in that area.

Video Pipe Inspection

Video pipe inspection uses a small, waterproof camera inserted into the plumbing system. The camera transmits real-time video footage, allowing our technicians to visually inspect the pipes and identify leaks.

Our Services

Residential Water Leak Detection

Water leaks under slabs can cause significant damage to homes. Our residential leak detection services are designed to identify and address leaks promptly, preventing further damage and ensuring the safety and comfort of your home.

Commercial Water Leak Detection

Commercial properties are not immune to slab leaks. These leaks can disrupt business operations and result in costly repairs. Our commercial leak detection services are tailored to meet the unique needs of businesses, ensuring minimal disruption and efficient resolution.

Government and Public Infrastructure Leak Detection

We also offer leak detection services for government buildings and public infrastructure. Our team is experienced in handling large-scale projects, ensuring that leaks are detected and repaired promptly to prevent damage to critical infrastructure.

Areas We Cover

AnyLeak proudly serves various locations throughout British Columbia. Our service areas include:

  • Vancouver
  • Surrey
  • Burnaby
  • Richmond
  • Langley
  • Coquitlam
  • Abbotsford
  • Kelowna
  • Victoria
  • Nanaimo
  • Kamloops
  • Prince George
  • And more

Whether you are located in a major city or a surrounding area, AnyLeak is ready to provide top-notch leak detection services.

Why Choose AnyLeak?

Experienced Professionals

Our team comprises skilled professionals, including builders, engineers, computer technicians, and contractors, with years of experience in leak detection and repair. We have been serving British Columbia since 1999, earning a reputation for reliability and excellence.

Advanced Technology

We utilize state-of-the-art technology to detect leaks accurately and efficiently. Our investment in advanced equipment ensures that we can identify leaks quickly and minimize disruption to your property.

Comprehensive Services

From initial assessment to solution implementation, we offer comprehensive leak detection services. Our approach ensures that all aspects of the leak are addressed, providing you with peace of mind.

Customer Satisfaction

Customer satisfaction is our top priority. We are committed to providing exceptional service and ensuring that our clients are fully satisfied with our work. Our prompt response and attention to detail set us apart from the competition.

Cost Savings

By detecting leaks early, we help you save on repair costs and prevent extensive damage to your property. Our services are designed to provide long-term solutions, ensuring that you do not face recurring issues.

Contact Us

If you suspect a water leak under your slab or need professional leak detection services, contact AnyLeak today. Our team is ready to assist you with all your leak detection needs.


Water leak detection under slabs is a critical service that can save you from significant damage and costly repairs. At AnyLeak, we offer expert leak detection services using advanced technology and skilled professionals. Serving various locations throughout British Columbia, we are dedicated to providing reliable, efficient, and comprehensive solutions for all your leak detection needs. Contact us today to learn more about our services and how we can help you protect your property from water damage.