Posts in Air Barrier
Air Barriers: Expectations vs. Reality
 -- Thawing a Frosty Relationship

When it comes to building performance, too much of a good thing can become a bad thing. Humidification to provide medical patient comfort is a good thing. Frost and ice damage due to that same humidification is not so good.

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“Till Death Do Us Part”: Preventing a Facade and HVAC Divorce When It Comes to Air Barrier Performance

Now fast forward to the first summer of operation. You get the dreaded call that your design has led to catastrophic mold and moisture problems that are keeping your client from being able to rent rooms and are resulting in unfavorable complaints about visible mold and deleterious mold odors being made on TripAdvisor.

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Lordy, I KNOW there is tape!

Most of the building trade knows how rainwater can damage buildings. Much less is understood about the role of air infiltration, especially in hot and humid climates. Even small amounts of moisture-laden air infiltration can quickly cause moisture and mold damage.

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Tropical Resort

The design team had set unrealistically high building envelope air barrier goals for an oceanfront tropical resort.

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Medical Facility – Midwest U.S.

The medical facility was experiencing build-up of frost and ice in above-ceiling spaces and in clerestories during winter months two years after construction. The frost/ice eventually melted, causing damage and leaking into occupied rooms below.

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