This webinar describes the advantages of using continuous wood structural panel (WSP) wall sheathing as part of an air barrier and air barrier system. Participants will learn the different characteristics and installation methods used in residential markets and see examples of successful and unsuccessful systems with side-by-side comparisons. Participants will also learn about helpful APA resources that reiterate the basis for testing and code compliance, along with cost and energy tradeoffs. Note: AIA (1 HSW/LU) and ICC (0.10 CEU) approve this course. A downloadable certificate of completion is available after completing a brief quiz and questionnaire.