When this method is useful
Tracer methods can support investigations where a concealed or buried pipe is difficult to assess with sound alone. The system must be suitable for the procedure and the section needs an appropriate testing arrangement.
What happens during the investigation
The engineer assesses the section, isolation and access, then carries out the test in a controlled way. Detector readings are compared across the search area and considered alongside pipe routes and other findings.
What it cannot establish on its own
Gas can move along voids, ducts and membranes and may emerge away from the actual defect. A detected signal supports localisation but is not, by itself, proof of the precise repair point.
How we combine the evidence
Pressure tests, acoustic findings, moisture patterns and knowledge of the building help interpret the signal and plan access.
Good detection is a sequence of decisions. We use the observations to narrow the question, check whether the results agree and explain the practical implications before proposing access. This helps you understand the reason for the work rather than simply seeing a piece of equipment in use.
Preparing for the visit
Tell us about known ducts, membranes, extensions and previous leak-sealing additives. Follow engineer instructions on system use and access.
The method is part of the service
The engineer selects suitable methods within the agreed investigation. Our £1,750 residential package also includes necessary access or excavation, the plumbing repair, parts, materials, appropriate retesting and an Written Trace & Access report. It is not a promise to use every listed technique at every property.
All our work within the agreed scope has a one-year workmanship warranty. Decorative and remedial reinstatement is excluded. Commercial work receives an individual quotation.
Documenting useful findings
Where a result supports the investigation, the report explains its relevance to the source, access or repair. Photographs are included where appropriate. The report can support an insurance submission, but your insurer determines eligibility and reimbursement under your policy.