Controlling air

In most climate zones within the United States, a dedicated air barrier is required by code as part of the building enclosure to control and manage airflow between the conditioned interior and exterior environments.
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Membrane seepage

Can a waterproofing membrane leak if it has no holes? Unfortunately, yes, under fairly common circumstances. If drainage is absent or impeded, water can slowly migrate directly through the membrane.
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Integrating fenestration with the wall

Selection of fenestration systems for specific wall assemblies is a process in which performance characteristics, such as structural capacity, the resistance to air infiltration, and water penetration, and thermal attributes are evaluated along with aesthetics and cost. However, the integration of the system(s) under consideration with the adjacent exterior...
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What did we get, anyway?

Selection of fenestration assemblies (utilizing both window and storefront systems) can be challenging due to the number of ancillary components/accessories available—materials with different performance characteristics compared to the main fenestration element.
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