TRACER GAS LEAK DETECTION


GAS LEAK DETECTION



Tracer gas detection is a highly accurate, non-destructive method used to locate hidden water leaks in plumbing systems. It involves introducing a safe, inert gas mixture—typically 5% hydrogen and 95% nitrogen—into a drained pipe system. Because hydrogen molecules are extremely small and light, the gas escapes through even the tiniest cracks or defects in pipes. Technicians then use sensitive detection equipment to trace where the gas is surfacing, allowing them to pinpoint the exact location of the leak. This method is especially effective for underground pipes, slab leaks, and pipework hidden behind walls or beneath floors where visual inspection is impossible. Unlike traditional methods that may require breaking tiles or walls to find the issue, tracer gas detection minimizes property damage and speeds up diagnosis. It is widely used in both residential and commercial plumbing because of its precision, efficiency, and ability to detect leaks that other methods might miss completely.



A tracer gas sensor being used in a parking lot with a drill to drill test holes.
A residential tracer gas leak detection test conducted outdoors.
A technician and a gas leak detection device next to a road conducting a test

BENEFITS OF TRACER GAS LEAK DETECTION 

  • Pinpoints exact leak locations with very high accuracy, even for micro-leaks
  • Non-destructive method that avoids unnecessary damage to walls, floors, or tiles
  • Works in complex systems including underground pipes and hidden plumbing runs
  • Detects leaks other methods may miss, especially very slow or intermittent leaks
  • Reduces repair costs by limiting excavation and guesswork during plumbing repairs
  • Quick and efficient process that shortens investigation time and speeds up repairs
  • Safe and environmentally friendly – Uses a harmless gas mixture that does not damage property or the environment.
  • Ideal for hidden leaks – Especially useful for slab leaks, underground pipes, and concealed plumbing.
  • Fast detection process – Quickly pinpoints leak locations, reducing investigation time.

Why choose us?


  • Highly accurate leak pinpointing – Leakalert uses advanced tracer gas technology to locate leaks with precision, even in complex or hidden plumbing systems.
  • Non-invasive approach – We minimise disruption by detecting leaks without unnecessary breaking of walls, floors, or tiles.
  • Fast response times – Our team prioritises urgent cases, helping reduce water damage and repair costs quickly.
  • Experienced technicians – Skilled specialists with hands-on leak detection experience ensure reliable results the first time.
  • Clear reporting for repairs and insurance – We provide detailed findings that help guide repairs and support insurance claims where needed.


CONTACT US

    tracer gas faq’s


    1. Is tracer gas safe to use in homes and buildings?

    Yes, tracer gas used in leak detection is non-toxic, non-flammable, and completely safe when handled by trained professionals.

    2. What types of leaks can tracer gas detect?

    It can detect small, hidden, and underground leaks in water pipes, including slab leaks and leaks behind walls or under floors.

    3. Will tracer gas damage my plumbing system?

    No, the gas is completely harmless and does not corrode or damage pipes or fittings in any way.

    4. How accurate is tracer gas leak detection?

    It is extremely accurate, often pinpointing the exact leak location even when other detection methods cannot find the source.



    CAPE TOWN

    ABOUT US

    LeakAlert offers rapid leak detection and repair services across Cape Town

    Partner Website

    OFFICE working hours

    MON – FRI: 08:00 – 17:00

    SAT 08:00 – 17:00

    SUN 09:00 – 14:00


    CONTACT

    PHONE: 0844444205

    johann@leakalert.co.za

    EMERGENCY HOTLINE

    Avaliable 24/7 for after hour emergencies

    AREAS WE COVER
    • CITY BOWL
    • NOTHERN SUBURBS
    • SOUTHERN SUBURBS
    • FALSE BAY/SOUTH PENINSULA
    • WEST COAST AND SURROUNDS
    • STELLENBOSCH AND THE WINELANDS