Moisture forgiveness is a building science concept generated by the demand for increased energy efficiency in the built environment. As buildings become increasingly tighter, they also can become more susceptible to moisture damage which can...

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The Evolution of Water-Resistive and Air Barriers in Commercial Building Envelope Construction

This course is no longer active. AEC Daily will not report completion information for this course.

Designing an efficient building envelope includes the complex task of locating all the necessary control layers in relation to each other. In some situations combining a number of these layers simplifies the task. This course explores combined water-resistive barrier (WRB) and air barrier (AB) sheathing systems, their functions, relevant codes and standards, types available, and how they compare to traditional water and air barrier systems.

Upon completion of this course, the Learner should be able to:

  • Recognize the function of, and code requirements for, water-resistive barriers and air barriers in a building envelope/enclosure.
  • Summarize the advantages and/or disadvantages of various WRB-AB systems available.
  • Discern the differences between integrated WRB-AB sheathing systems versus traditional WRB-AB systems.
  • Identify the dissimilarities between two methods of WRB-AB sheathing systems available in the marketplace today.
  • Design for labor, material, and installation time savings in future building envelope projects.

Approximately 1 hour. Delivered online, at your own pace.

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