The air barrier test of a recently completed for the University of Washington project measured at .056 cfm/sf for an envelope area of 85,250 sf. The successful test was a result of several people and processes, including preconstruction review of drawings, creating a standalone mock-up prior to the building, pre-installation meetings, regular inspections by the envelope consultant, and diligent work by the installing subcontractors. This presentation will review the steps in the process and review the detailed solutions to some difficult transitions.

Learning Objectives:

1. Identify multiple actions required to create a continuous envelope.
2. Evaluate the impacts of different strategies to complete a successful continuous air barrier.
3. Build a team dynamic of cooperation to achieve the project goal.
4. Identify the tools available to analyze design geometries and materials available to solve complicated air barrier intersections.

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Michael Repka, Architect, LEED AP, Quality Manager, Hoffman Construction Company