Case studies · SW18
Toilet Leaks When Flushed: A Soil Pipe Out of Alignment
Water dripped at the join between a toilet pan connector and the soil pipe each time the toilet was flushed. The soil pipe was bowing and out of alignment…
Case studies
Leak detection case studies with photographs
In short
Each case study is one real job: the symptom reported, the method used, photographs from site and what was found, including jobs where the cause was not a plumbing leak. Read how a damp wall turned out not to be a leak. Names and addresses are removed, and districts are shown only at postcode district level.
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Case studies · SL9Hydrogen Tracer Gas Heating Leak Case Study: A Boiler Losing Pressure
A boiler that keeps dropping to about 0.5 bar is not always a boiler fault. On this job a hydrogen tracer gas test on the heating circuit read high at…
Case studies · CR8Shower Waste Pipe Separated From Its Trap, Found With an Endoscope
A leak into the flat below was traced to a shower waste pipe that had come apart from its trap. An endoscope passed through one small opening in the lower…
Case studies · TW4Cracked Shower Tray Leaking Into the Flat Below: Rot Under the Edge
Staining and active water on the walls of a flat below came from the shower upstairs. The tray had dropped and cracked, the enclosure seal had failed, and there…
Case studies · SW11Leak Into the Flat Below: Not the Dishwasher, but the Pipework Under the Bath
A leak into the flat below was blamed on a recently installed dishwasher. The dishwasher and the kitchen tap were checked and cleared. Water was then found…
Case studies · N16Warped Hallway Floor Traced to a Corroded Pipe Behind the Toilet
Warped hallway floorboards were the only sign. A pressure test and an access panel at the bath led to a corroded 15 mm cold supply pipe hidden behind the toilet…