Water Leak Detection Under Tiles: Signs, Devices and Repair
The Fahison Team
Reading time: 3 min
Article Contents
A hidden leak under tiles or behind walls usually shows only after the damage grows. In this article we explain the early signs of a leak, the damage it causes, and the devices the Fahison team uses to find its source. To request the service, see our Water Leak Detection and Repair page.
What is water leak detection?
An engineering service that finds the source of leaks in water supply and drainage lines under floors and behind walls with specialised detection devices, so the repair happens in the right spot instead of by guesswork.
- Repair in the right spot: know the source before the repair starts.
- Lower costs: avoid repairing the wrong spot and repeating the work.
- Protects the building: stops damp and cracks from spreading over time.
The risks of water leaks under tiles
- Damaged floors: lifting tiles and failing joints.
- Concrete damage: water reaching the reinforcing steel causes rust.
- Damp and mould: odours and stains on walls and ceilings.
- Higher costs: delaying treatment widens the damage.
The devices we use to find leaks
1. Acoustic leak detectors
Pick up the sound of water leaking inside pipes under tiles and behind walls.
2. Thermal camera
Reveals damp areas behind surfaces from the temperature difference between dry and wet areas.
3. Moisture meter
Measures moisture levels in walls, ceilings and floors to map the affected area.
Early signs of a water leak
- Damp patches or bubbling paint on walls or ceilings.
- Damp or musty smells inside rooms or bathrooms.
- The sound of running water while all taps are closed.
- A higher water bill with no clear reason.
- Lifted or loose tiles, or water coming out of the joints.
Why choose Fahison for leak detection?
- Specialised detection devices: acoustic detectors, a thermal camera and a moisture meter.
- Photo report if needed: shows the leak spot and suitable repair advice.
- Repair also available: priced by the amount of repair needed.
Water leak detection FAQs
What are the main signs of a water leak?
A higher water bill, damp patches or mould on walls, and lifted or loose tiles.
Which devices are used to find a leak?
Acoustic leak detectors, a thermal camera to find damp, and a moisture meter.
How can I check for a leak myself?
Close all taps and watch the water meter. If it keeps turning, there may be a hidden leak.
Protect your property from leaks and damp with Fahison
If you notice any of these signs, request our Water Leak Detection and Repair service. If you are building your home now, see our waterproofing inspection to prevent leaks from the start.
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