Heat and Moisture

When planning the building envelope, designers must consider heat and moisture transfer principles, and understand how these principles relate the interior and exterior environment to materials in the wall assembly. This lesson examines the basics of thermodynamics and methods for measuring moisture.

Learning Objectives

At the conclusion of this lesson, you will be able to:

• Review the science of heat transfer
• Differentiate between relative humidity and moisture content
• Review the purpose of Psychrometric charts
• Describe how condensation occurs
• Differentiate between surface and interstitial condensation

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