How acoustic leak detection avoids disruption to tenants

Full transcript

George and Dave in conversation. Every word of the episode, exactly as recorded.

George

Welcome to the ADI Leak Detection podcast. I'm here with Dave from ADI Leak Detection, the UK's leading leak detection company, who's here to answer your questions and provide expert leak detection advice. Today's question comes from a lot of property managers we hear from: how does acoustic leak detection actually work in a managed property without causing chaos for the people living there?

Dave

It's a really common concern, and it's a fair one. The short answer is that acoustic leak detection lets our engineers find a water leak without touching the fabric of the building at all during the survey itself. No drilling, no lifting floorboards, no cutting into walls.

George

So what's actually happening when your engineers are on site? What does the equipment pick up?

Dave

Water escaping from a pressurised pipe creates vibration and noise as it moves through the surrounding material, whether that's soil, concrete or screed. Our acoustic listening equipment picks up those sound patterns at the surface. The engineer moves the sensor along the suspected pipe route and the signal gets stronger as they get closer to the leak.

George

And that signal is strong enough to come through a solid concrete floor? I'd have thought the sound would just disappear.

Dave

You'd be surprised. The sensors we use are extremely sensitive. Ground noise from a pressurised leak travels further than most people expect, especially through dense materials like concrete. What we're listening for is a frequency pattern that's specific to water escaping under pressure, which the equipment isolates from background noise in the building.

George

So from a tenant's point of view, what does a survey actually look like? Are they going to have engineers tramping around all day?

Dave

In most cases a survey is completed in a few hours. The engineer walks the pipe route with the acoustic sensor, takes readings at intervals, and plots where the signal peaks. Tenants tend to see someone moving quietly around the property with what looks like a piece of survey equipment. There's no noise from power tools, no dust, no mess.

George

That's a pretty different picture from what most people imagine when they hear 'leak detection'. They're probably thinking floors being ripped up.

Dave

That's exactly what acoustic detection is designed to avoid. ADI engineers use the survey to establish a confident pinpoint location for the leak before any remedial work is even discussed. The whole point is that a contractor only opens up the floor or the wall in one precise place, rather than excavating a wide area trying to find the source.

George

And does the type of floor matter? You mentioned concrete. What about a property with suspended timber floors, or tiles?

Dave

Different surfaces do transmit sound differently, which is why ADI's engineers carry more than one method. Acoustic detection works well across most floor types. Where the signal is harder to isolate, tracer gas detection or thermal imaging fills the gap. The survey approach gets adjusted to suit what the property actually has.

George

For a property manager dealing with, say, a block of flats, is it realistic to survey individual units without disturbing the whole building?

Dave

Absolutely. Acoustic equipment works at the unit level. ADI Leak Detection can carry out a survey in a single flat, track the pipe route through that unit, and identify the leak position without needing access to neighbouring properties. That keeps disruption contained to the affected unit.

George

That's really useful to know. One last thing, Dave. Are tenants actually required to do anything, or can the survey happen around them?

Dave

They don't need to do much at all. Access to the property is needed, and it helps to have background noise like televisions kept low during the listening phase so the sensors aren't competing with it. Beyond that, tenants can stay in the property and go about their day. That's one of the things that makes acoustic detection practical in occupied properties.

George

That's a great point to finish on. Thanks Dave. If you've got a suspected water leak in a managed property and you need it found without turning tenants' lives upside down, ADI Leak Detection is a trusted name in residential leak detection across the UK. We'll be back with another question next time.

How this episode was made. This episode was produced using AI-generated voices and script, based on real leak detection questions and the working knowledge of ADI Leak Detection engineers. More about how the podcast is made.