Painting Coating DFT Verification

Inspection template for verifying coating dry film thickness across primer, intermediate, and finish coats, including instrument calibration and measurement documentation.

Inspection Setup and Reference Conditions

• Project, asset, and coating system identified
  Record the project name, asset/location, coating system, and inspection scope.
• Applicable specification and acceptance criteria available
  Document the governing project specification, manufacturer data sheet, and acceptance criteria for each coat.
• Environmental conditions recorded at time of inspection
  Record ambient temperature, surface temperature, relative humidity, and dew point spread if required by the project specification.
• Surface area and coat stage identified
  Select the coating stage being inspected.

Instrument Calibration and Verification

• DFT gauge identified and suitable for coating system
  Record the gauge manufacturer, model, serial number, probe type, and measurement range.
• Calibration status current
  Verify the instrument calibration certificate or calibration status is current and traceable to the required standard.
• Instrument zero and verification check completed
  Confirm zero check and verification against certified shims/standards were completed before measurements were taken.
• Calibration/verification readings documented
  Record the verification standard values, as-found readings, adjustments made, and final verification results.

Primer Coat DFT Verification

• Primer coat DFT measured at required locations
  Enter the measured primer coat dry film thickness for the inspected location.
• Primer coat average DFT meets specification
  Enter the average primer coat DFT for the inspection area.
• Primer coat within acceptable thickness tolerance
  Confirm the primer coat thickness is within project tolerance and free of underbuild or overbuild conditions.
• Primer coat measurement locations documented
  Record the number of readings, measurement pattern, and exact locations or grid references used.

Intermediate Coat DFT Verification

• Intermediate coat DFT measured at required locations
  Enter the measured intermediate coat dry film thickness for the inspected location.
• Intermediate coat average DFT meets specification
  Enter the average intermediate coat DFT for the inspection area.
• Intermediate coat within acceptable thickness tolerance
  Confirm the intermediate coat thickness is within project tolerance and free of underbuild or overbuild conditions.
• Intermediate coat measurement locations documented
  Record the number of readings, measurement pattern, and exact locations or grid references used.

Finish Coat DFT Verification

• Finish coat DFT measured at required locations
  Enter the measured finish coat dry film thickness for the inspected location.
• Finish coat average DFT meets specification
  Enter the average finish coat DFT for the inspection area.
• Finish coat within acceptable thickness tolerance
  Confirm the finish coat thickness is within project tolerance and free of underbuild, overbuild, runs, sags, or holidays affecting thickness acceptance.
• Finish coat measurement locations documented
  Record the number of readings, measurement pattern, and exact locations or grid references used.

Documentation and Closeout

• All readings, averages, and exceptions recorded
  Confirm all DFT readings, averages, out-of-tolerance results, and rework notes are documented in the inspection record.
• Non-conformances and corrective actions documented
  Describe any non-conformance, affected area, disposition, and corrective action taken or required.
• Inspector and responsible party sign-off completed
  Capture inspector signature and, if required, contractor or owner representative sign-off.