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Maria Spinu, Ph.D., LEED AP joined DuPont Central Research & Development in 1990 as a research chemist. She was promoted to CR&D research manager, and in 2000 she joined DuPont Building Innovations where she currently leads Building Science and Sustainability initiatives for commercial markets. She is a member of the 90.1 ASHRAE Committee and Envelope subcommittee, BEC (Building Envelope Council), AIA/BEC, CSI, ABAA, and other professional and trade organizations.
Air leakage is the unplanned, unpredictable and unintentional airflow across the building enclosure. This makes air flow control important for several reasons: to avoid air transported moisture and moisture damage, to reduce energy losses and to ensure occupant comfort and health.