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Roofs & Attics
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Description
Information guide providing links to guides describing specific ways to air-seal, insulate, and ventilate attics and roofs to minimize heat gain in new and existing homes.
Guide:
Attic Ventilation Fans
Description
Information guide describing the use of attic ventilation fans to mechanically pull outside air through the attic in an attempt to cool the attic, control moisture, and prevent ice dams.
Description
Information guide describing how to calculate attic passive ventilation with example calculations.
Description
Guide describing the installation of roof vents that are resistant to damage from high winds and entry of wind-borne rain, wildfire embers, or pests.
Description
Guide describing ways to retrofit an existing roof to increase its resistance to damage during hurricanes, high winds, and earthquakes.
Description
Information guide describing roof construction techniques and tactics for fire resistance.
Description
Guide describing methods to keep birds, rodents, and other pests out of vent openings and other locations in new and existing homes.
Guide:
Vented versus Unvented Attic
Description
Guide describing options for insulating and air sealing at either the attic floor or along the roof line in new homes.
Guide:
Wind Washing
Description
Guide describing wind washing of insulation in the eaves of vented attics and how to prevent it.