Pulsed Eddy Current (PEC) & CUI Screening by Drone in BC

Active leak? Call now for fast non-invasive detection.

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Direct Answer

AnyLeak provides leak and moisture detection services in British Columbia using non-invasive methods — acoustic correlation, tracer gas, thermal imaging, and moisture metering — to find leaks without digging or damage. Every inspection includes a written, insurance-ready report. Call (604) 269-5325 for a free phone consult.

 🔄 Reviewed and maintained by the AnyLeak team — October 2026. Rated 5 stars by BC customers.

Corrosion under insulation (CUI) is the defect that hides best: the pipe looks perfect because what you’re looking at is the jacket, while the steel underneath corrodes in the warm, damp space the insulation creates. The conventional answer — strip insulation, inspect, re-insulate — costs more than the inspection itself. Pulsed eddy current (PEC) measures relative wall thickness straight through the insulation and cladding, and AnyLeak.ca delivers it by drone across BC, as part of our aerial NDT suite.

Capability

  • Through-insulation measurement — lift-off (probe-to-steel distance) up to 100 mm
  • Wall thickness range on low-carbon steel: 3–18 mm
  • Works through aluminum jackets and common cladding systems
  • Relative-thickness screening that flags wall-loss zones for targeted follow-up

The CUI economics

CUI programs fail on cost: stripping and re-insulating elevated pipe to look at steel that’s usually fine. PEC inverts that — screen everything through the jacket, fast and from the air, then open insulation only where the data says wall loss lives. Insulation removal drops from “the whole rack” to a handful of confirmed locations, where UT or EMAT quantifies the remaining wall precisely.

Assets that need CUI screening in BC

  • Insulated process piping — refineries, gas plants, chemical and pulp operations
  • Hot-water and steam distribution — district energy and institutional campuses
  • Insulated tanks and vessels — especially at nozzles, supports and jacket penetrations where water gets in
  • Marine-exposed insulated assets — coastal BC’s specialty, unfortunately

FAQ

Is PEC a replacement for UT? No — it’s the screening layer. PEC finds the suspect zones through the jacket; direct-contact methods confirm and quantify at those spots. That two-step is what makes a CUI program affordable.

Does it work in the rain? Weather windows apply to flight operations, but the measurement itself doesn’t care about a wet jacket — fitting for coastal BC.

Insulated assets overdue for screening? Call (604) 269-5325 for a free phone consult or request an assessment.

A Closer Look at This Service

The cost of finding a leak is small compared to the cost of the damage it causes. A month of undetected leaking can wet insulation, rot framing, wash soil, and attract mould in the time it takes to book an inspection.

A city’s building code, its typical construction era, and its soil behaviour all leave their fingerprints on the leaks it produces. Reading those fingerprints is what makes an investigation accurate on the first visit.

The investigation is a quiet, methodical process. Instruments are calibrated on site, readings are recorded, and the technician explains what each step is looking for. There is no demolition, no noise beyond the instruments, and no mess left behind.

How the Investigation Is Delivered

Every investigation follows the same disciplined sequence: consultation, survey, testing, cross-verification, marking, and documentation. The sequence is deliberate, and each step builds on the last.

  • Step 1: Consultation to understand the situation and the history
  • Step 2: Site survey and indicator mapping
  • Step 3: Testing of the suspected systems with matched methods
  • Step 4: Cross-verification of the finding
  • Step 5: Marking and documentation
  • Step 6: Written, dated report

A fourth mistake is hiring a repair contractor to find the leak. Contractors are paid to repair, and their interest is in the work, not in the precision of the location. An independent detection team has no repair to sell, only an answer to deliver.

What This Costs

Most property-level investigations in British Columbia are quoted as a fixed fee once the situation is understood. The quote covers the technician’s time, the instruments, the investigation, and the written report.

Every property is different, which is why pricing follows the investigation plan rather than a menu. The free consultation defines the scope, and the fixed quote follows it. What you are quoted is what you pay.

Insurance and Documentation

The report produced after a this investigation investigation is written with insurers in mind. It documents the cause, the extent, the methods used, and the readings taken, so the adjuster has everything needed to process the claim.

Insurance claims fail most often because of missing documentation. A dated, photographed, method-by-method report removes that failure point and gives the adjuster a professional document they can rely on.

What the Report Includes

The report is written in plain language first and professional language second. Owners read the conclusion and the cause; contractors and adjusters read the method notes and the readings. Both are in the same document.

Reports are dated and structured so that any licensed contractor can take the marked location and proceed directly to the repair. They are also accepted by insurers, engineers, property managers, and, when needed, in dispute processes.

When to Call

Call when the indicator is persistent, when it repeats after a repair, or when it is accompanied by a second indicator. A single passing event can be a coincidence; a pattern is a leak.

Call when a decision needs documentation: an insurance claim, a real estate transaction, a strata dispute, or a warranty process. Those decisions run on evidence, and the evidence has to exist before the deadline.

How to Prepare the Property

Nothing else needs to be done. The investigation does not require demolition, preparation of the systems, or any work on your part beyond access. Showing up with the history is the whole preparation.

Nothing else needs to be done. The investigation does not require demolition, preparation of the systems, or any work on your part beyond access. Showing up with the history is the whole preparation.

Common Questions

Is this service non-invasive?

Yes. Every method used works from the surface and leaves no marks. Nothing is cut, dug, or permanently marked during the investigation.

How accurate is the location?

With cross-verified methods, locations are typically within a metre or less, and slab locations within inches.

Is the report useful for insurance?

Yes. The report documents the cause, the extent, the methods used, and the readings, structured for claims and engineering review.

How long does an investigation take?

Most property-level investigations complete within a day, and the written report follows within one to two business days.

Do you repair leaks?

No. Detection and documentation are the service. The report guides the repair contractor to the exact location.

What does this cost?

The quote is fixed before work begins, based on the scope defined in the free consultation. What you are quoted is what you pay.

Call (604) 269-5325 or email info@anyleak.ca for a free consultation. The report is dated, documented, and written to the standard insurers and engineers expect.

★★★★★

"We had a roof leak at our warehouse and they were great to work with. They came out quickly and found the problem."

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