Forensic inspection/leak detection


A forensic leak detection is a persevering inspection to find the right, exact cause of a moisture problem. This means that the supply and drainage pipes are inspected for possible leaks, inside as well as outside the house. This can be done destructively and non-destructively. During for example an inspection of the roof, a piece of lead can be bended if necessary. For investigating the ground level zone a tile can be removed from the tiling.

What this can contain:

– inspection of the pipe system (supply and drainage; inside and outside the building)
– inspection of the roof
– inspection of the ground level zone
– inspection of the windows and doors

A complete forensic inspection can be done with different methods to come to a conclusive analysis.

“Forensic” inspection methods can be:
– a visual inspection
– a moisture measurement in depth
– a destructive inspection
– an inspection with a HD sewer camera
– a smoke gas leak detection (1,2-ethynediol)
– a traceable gas leak detection with N95-H5 (H10)
– a digital pressure test (supply pipes and central heating pipes)
– a HD infrared inspection
– a high frequency scanning (GANN UNI 1 with B50 probe) (coloured mapping)
– fluorescent dyes
– datalogging °C, rH, Pa, Td, Tw
– water pressure
– dew point determination
– wet bulb temperature measurement (ground floor)
– sonar scanning, pipe seeker
– calcium carbide test
– pyrometer
– odour detection
– mould analysis
– Kasten tube test, porosity measurement
– constructive vapour diffusion calculation (theoretic approach)
– tear measurement and follow-up
– a polarisation recording
– ground level zone determination with cross section diagram
– digital saturation simulation
– diagonal analysis
– photographic analysis shell construction
– vapour pressure and ventilation determination under the building
– analysis solvable salts
– orientation and turbulence determination (driving rain)
– history comparison (causal connection work / damage period)
– insurance technical analysis
– liability analyses
– etc.

Actual causes are often not as obvious as people thought

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