This article discusses how the movement of air, water, heat and vapor in and out of a building is important in attaining a high standard building envelope.
“Among its many functions, the exterior envelope typically must control the movement of heat, air, bulk water, and water vapor both in and out of a building. Over tme, various systems and components have been developed to control this movement. In a properly functioning envelope, these systems work together to maintain the building’s temperature and allow components to dry quickly if they become wet…”
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The Construction Specifier
By: David Cook, RA
The Construction Specifier Online Issue
April 2013