Drainage Leak Detection in Irvine

Symptoms

There were no visible signs of leakage in the bathrooms directly above the affected kitchen ceiling, which made pinpointing the source difficult without a formal assessment. The intermittent and use-dependent nature of the leak pointed clearly toward the waste pipework serving the upstairs showers, rather than a supply pipe or fitting under constant pressure.

A drainage leak detection assessment was required to identify exactly where the waste system was failing.

Methods Used

This staged approach — thermal imaging, tracer dye, then direct visual inspection — is standard practice in drainage leak detection and ensured the repair area was kept as small as possible. The endoscope confirmed the leak was at a waste pipe fitting connection, and also revealed that the shower waste was partially blocked, with water not draining freely from the trap.

Investigation Process

1. 1
   Initial Assessment

   The engineer attended the property in KA2 and reviewed the reported symptoms — water leaking through the kitchen ceiling only during upstairs shower use, with no visible signs of leakage in the bathrooms above.

2. 2
   Thermal Imaging

   Thermal imaging checks were carried out across the ceiling and surrounding structure to identify any areas of heat or moisture variation consistent with a waste pipe leak.

3. 3
   Tracer Dye Introduction

   Tracer dye was introduced into the waste pipes of the upstairs showers. Green dye was subsequently observed dripping through the kitchen ceiling, confirming the leak was within the waste system.

4. 4
   Ceiling Opening and Endoscope Inspection

   With the customer's permission, a small opening was made in the kitchen ceiling. An endoscope camera was used to inspect the waste pipework, revealing a leak at a waste pipe fitting connection. Partial blockage at the shower waste trap was also noted.

5. 5
   Pipe Repair

   The affected section of waste pipe was cut out and replaced with a new pipe section and fittings.

6. 6
   Retest and Confirmation

   Following the repair, the system was retested and confirmed to be functioning correctly at the time of the visit.

Result & Outcome

The engineer has recommended that the waste pipes be professionally cleared and that care is taken going forward about what enters the shower traps. The partial blockage observed during the inspection remains a risk for future leaks if left unaddressed.