Showing results 1 - 13 of 13
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Attach a strong permanent cover to gable end vents before a severe storm strikes to prevent moisture intrusion.
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Attic ventilation fans exhaust hot air from the attic while replacing it with cooler air from the outside through intake vents
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Mold on the sheathing in this attic occurred after attic ventilation was increased
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Right - The energy recovery ventilator ducts supply filtered outside air to multiple locations in the home and continuously exhaust stale air to provide clean, balanced ventilation.
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Right – Open-cell spray foam is installed over closed-cell spray foam in this hybrid approach to achieve adequate attic ventilation while allowing some vapor permeability.
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Right – Spray foam fills the roof joist cavities of this vaulted, unvented attic.
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The polyethylene ceiling vapor barrier is sealed to form an air barrier around the exhaust fan in this very cold climate location (≥ CZ 6).
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The spray foam-insulated attic provides a temperate place for the ERV ducts, which provide filtered fresh air to every room in the house.
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This HRV, installed in a conditioned attic, provides balanced ventilation to the whole home
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This solar powered attic fan runs when the sun is shining and does not draw any power from the home’s electrical system
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Wrong - Exhaust fans should not have tight bends in duct work, especially right next to the fan as this can block airflow
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Wrong – The open overhang with exposed timbers and unscreened vent holes make this roof more susceptible to ignition.