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October 20, 2025

Noticed any damp patches, peeling paint, or a musty smell coming from your bathroom? If the area has good ventilation and those signs still appear, you could be dealing with a leak—and the shower is a possible source. The last thing you want is to ignore the issue, as it can quietly cause damage to your home’s structure. Before you know it, you’re already facing soaring repair bills.

For detecting leaks, especially the unseen kind, a professional shower leak detection service is the answer. This process pinpoints the exact source of a leak without any unnecessary guesswork or destruction. It focuses on finding where the water is escaping, whether from worn-out waterproofing, cracked tiles, or hidden plumbing issues, before things get worse.

Are you currently looking for a quality leak detection service? It pays to know how things work.

How It Works

Professional leak detection doesn’t rely on hunches or any form of luck. It follows a logical sequence of testing methods designed to locate the problem accurately and efficiently.

Initial visual inspection

Every job begins with a good old-fashioned visual check. This step involves carefully examining walls, ceilings, and surrounding areas for visible warning signs, such as:

  • Water stains or damp patches
  • Peeling or bubbling paint
  • Mould and mildew growth
  • Cracked or missing grout and tiles

Often, these signs point to the general area of the leak, saving time in the later stages of testing. You might be surprised how something as simple as a warped skirting board can indicate trapped moisture behind the wall. With the right equipment, an experienced technician should be able to locate the possible source. 

Moisture meter testing

Next comes moisture meter testing, which takes the investigation deeper. Moisture meters measure the amount of water trapped within materials like drywall or plaster. They give precise readings without needing to drill or cut anything open.

By scanning different spots around the shower area, technicians can identify dampness that isn’t visible to the eye. It’s an important non-invasive step that narrows down the possible leak zones and guides further testing.

Dye or flood testing

If the source still isn’t clear, it’s time for dye or flood testing. These are two proven methods that confirm whether the waterproofing system or drainage is at fault.

  • Dye testing – A coloured dye is applied to the shower floor or walls. If the colour seeps through to surrounding areas, it signals a failure in the waterproofing layer
  • Flood testing – This technique involves filling the shower base with a small amount of water and monitoring the surrounding area over time. If moisture readings increase or leaks appear below, it means water is escaping through cracks or faulty seals.

Dry testing and flood testing provide solid proof of where the leak originates. Both are essential because they prevent unnecessary demolition by confirming the problem before any repairs begin.

Pressure testing

Is your plumbing system compromised? That’s a possibility if technicians have already ruled out surface and waterproofing issues. In such a case, they’ll conduct pressure testing. Here, the system is sealed off, and air or water pressure is applied to see if it holds steady. If the pressure drops, it usually means there’s a leak within the pipes. 

Not all shower leaks come from the tiles or waterproofing, so pressure testing is essential. It confirms whether the actual repair should focus on the pipework or elsewhere.

Advanced road: Thermal detection

For even greater accuracy, technicians use thermal imaging technology, which is considered one of the most advanced, non-invasive methods available. It works by using infrared cameras to capture temperature variations in surfaces. Because moisture affects temperature, leaks often show up as cool or warm patches on the thermal image.

Through thermal detection, technicians can get instant, visual results without damaging your walls or ceilings. They’re able to spot leaks hidden deep within structures with pinpoint accuracy.

Less advanced option: Opening walls or ceilings

If all non-invasive methods have been exhausted but the source of the leak still can’t be determined, technicians may need to open the walls or ceilings. By doing so, they can physically inspect the pipes, waterproofing layers, and structure behind the affected area. Since it’s invasive, opening the walls or ceilings is the final option, but it does provide a definitive look at what’s happening inside.

Why Invest in Shower Leak Detection in Melbourne?

Shower leak detection is a non-invasive method that locates the exact source of a leak. It’s a mix of science, experience, and technology, which starts with a visual inspection to spot obvious signs. 

Then, technicians use moisture meters to detect hidden dampness. They also conduct dye or flood tests to confirm waterproofing issues, and to check the plumbing system, they perform pressure testing and thermal detection (if necessary). As a last resort, technicians will open walls or ceilings to inspect the pipes, waterproofing, and structure.

If you were previously on the fence about getting a leak detection service, hopefully, you’ve now recognised its value. Invest in professional services in Melbourne today and save thousands in future repair costs, prevent mould and mildew growth, and protect the integrity of your property. It’s a complex process best left at the hands of experienced professionals with the right tools.

At Austest Pipeline Solutions, you’ll be working with shower leak detection experts who combine advanced tools, proven methods, and years of experience. Get in touch with us today, whether you’re dealing with an ongoing leak or just want peace of mind in your home. Trust that our specialists are easy to deal with and truly understand what’s behind your walls.