Air Barriers

Air Barriers

Submitted by Jim Nisted, Dryvit Systems, Inc. for publication by CSI 9/12/2017.
Originally published on Technical Services Information Bureau in December 2012, updated in May 2017

In recent years there has been an increased focus on the use of air barriers particularly for commercial, hotel, institutional and high-rise construction. The heightened awareness of moisture intrusion, mold, and unhealthy indoor air quality on some buildings, has led researchers to re-examine and refine the air movement through exterior walls. Air movement through a building's exterior walls is a concern as the air can carry moisture which impacts water sensitive materials, structural integrity, indoor air quality (air pollutants and microbial reservoirs) and thermal energy.

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