Impedance Scanning vs Infrared Imaging: Why the Best Surveys Use Both

15

Jan '26

Infrared imaging and impedance scanning serve different but complementary purposes.

Infrared Imaging:

  • Detects temperature anomalies
  • Fast for large roof areas
  • Requires specific environmental conditions

Impedance Scanning:

  • Measures electrical resistance
  • Works in varied conditions
  • Confirms moisture presence

The Most Defensible Approach

Using both methods together:

  • Reduces false positives
  • Increases accuracy
  • Provides defensible documentation
  • Minimizes unnecessary repairs

ElectroTherm Scans specializes in multi-method moisture diagnostics, delivering the most reliable results possible.