Moisture Management

Gargoyle, Château d'Amboise, France
Photo: Ben Aveling. License: CC BY-SA 3.0

The building enclosure manages everything that might get into and out of a building: water, wind, light, sound, air, pests, and people. Assemblies are the foundations, above-grade walls, and roofs that make up the enclosure, and how they’re put together makes all the difference to how well the building performs—and for how long.

Here you’ll learn the importance of continuity at assembly transitions, and how to help ensure that the whole team—from architect to structural and mechanical engineers to construction managers and subcontractors—is educated about moisture risks and is accountable for quality work.

Moisture Management

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  • Choosing Between an ERV and an HRV

    Primer

    Don't get fooled into buying a more expensive and complex system if what you really need is a dehumidifier.

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    Whether you choose a refrigerant-based or a desiccant-based system, dehumidifiers use energy and produce waste heat.

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    Vapor retarders are supposed to keep our buildings dry, but they sometimes keep them wet instead. Enter the "smart" vapor retarder.

  • Basics of the Psychrometric Chart

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    In high-performance buildings, we have to manage energy and moisture with equal intensity. The psychrometric chart shows us how.

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