Protective Coatings Application - Unit 5.1.1: Relative Humidity and Dew Point

Objective: To understand and how to measure relative humidity and dew point, and their effect on coating application and cure.

  • Relative humidity and dew point have an effect on surface preparation and coating application.
  • Relative humidity and dew point have an effect on coating overcoating, cure and long term performance.
  • Protective coatings personnel should know the implications of relative humidity and dew point.