Tag Archives: condensation

Failures: Beware of condensation in the attic

Prior to the adoption of the 2015 International Building Code (IBC), vents were required in the roof assembly to allow the “attic” space—between the underside of the roof deck and the top of the ceiling below—to vent to the exterior. However, the volume of air movement provided by these vents is rarely sufficient to mitigate moisture problems.

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