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Aerial NDT · Sea-to-Sky

EMAT Inspection in Squamish, BC

Electromagnetic acoustic transducer thickness testing by drone — no couplant, up to 4 mm lift-off, made for corroded, dirty, or coated steel where conventional UT struggles. Flown by Transport Canada-certified RPAS pilots serving Squamish and the Sea-to-Sky region — since 1999 as BC's leak detection and inspection specialists.

2–150 mm
Thickness range
0.06 mm
Resolution
≤ 4 mm
Lift-off tolerance

Free phone consult · No pressure · Mon–Sat 8am–6pm PT

Flying Squamish: local context

Wind discipline is the local skill — between thermals, the delta's new multifamily and industrial waterfront fly beautifully.

Local asset profile: BC's fastest-growing outdoor town — new multifamily on the delta flats, older townsite services, and industrial waterfront conversion.

Typical emat inspection work around Squamish

  • Multifamily envelope baselines
  • Waterfront industrial scans
  • Corroded or scaled tank shells
  • Coated structures without coating removal
  • Dirty industrial surfaces

How the Squamish survey runs

  1. 1

    Surface review

    Coating type and condition assessed — EMAT is selected precisely where scale, dirt, or coatings would slow conventional UT.

  2. 2

    Aerial scan

    The EMAT head generates ultrasound electromagnetically in the steel itself — contact without couplant, tolerant of rough surfaces.

  3. 3

    Grid acquisition

    Readings collected on the survey grid at production pace; anomalies densified immediately.

  4. 4

    Screening report

    Thickness map with flagged zones — often the triage step that targets follow-up quantitative UT exactly where it pays.

Squamish questions, answered

How does EMAT work without couplant?

EMAT generates the ultrasonic wave electromagnetically inside the conductive material rather than transmitting it through a gel interface. No couplant, no surface wetting, and tolerance for up to 4 mm of lift-off — which is why it shines on scaled, dirty, or coated steel that would need grinding before conventional UT.

When do you choose EMAT over standard aerial UT?

When surface preparation is the bottleneck: heavy scale, old coatings, dirty process environments, or screening programs covering large areas fast. Conventional UT still wins for highest-precision spot measurements on prepared surfaces — many programs use both, EMAT to screen and UT to quantify.

What materials can EMAT inspect?

Conductive metals — carbon steel is the everyday case, per ASTM E1816-18 practice. Range 2–150 mm with 0.06 mm resolution covers everything from thin shell plate to heavy structural sections.

Can EMAT find corrosion under paint without damaging it?

Yes — that is one of its best tricks. Reading through intact coatings means corrosion surveys no longer require destroying the coating you are trying to protect. Where the coating itself is the question, we pair it with aerial DFT measurement.

Can you legally fly drones for inspection in Squamish?

Yes — our pilots hold Transport Canada RPAS certification with advanced-operations capability, and Squamish operations run under whatever airspace authorizations the location requires. Wind discipline is the local skill — between thermals, the delta's new multifamily and industrial waterfront fly beautifully. Flight planning, NOTAM checks, and authorizations are part of the service, not your problem.

How does Squamish weather affect scheduling?

Aerial inspection flies in defined weather windows — wind, precipitation, and (for thermal work) the right temperature differentials. Squamish sits in our standing Sea-to-Sky coverage, so we schedule against the local forecast and typically land the survey within days of booking rather than weeks. Mon–Sat, 8am–6pm Pacific.

What does emat inspection cost in Squamish?

Province-wide pricing — no regional premium for Squamish. Single-asset thermal surveys typically start in the high hundreds; NDT campaigns and multi-asset programs are quoted by scope. The free phone consult (604-239-9934) produces a firm number in about five minutes.

Need emat inspection in Squamish?

Free phone consult — asset, access, airspace, and a firm quote in five minutes. No pressure.

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