The best way to clean them is with blasts of compressed air to blow away dust dirt and any loose insulation that may have fallen into the soffit area.
Roof intake vent maintenance.
Attic ventilation is critical to the health of your house.
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In order to create a consistent flow of cool dry air through your attic you need to make sure the air has a way to come in and go out.
You should clean soffit eave and other types of attic air intake vents at least every couple of years if not annually.
Self closing ridge soffit eave vents for fire protection.
For new home construction that includes a vapor retarder the minimum is 1 square foot of ventilation for every 300 square feet of attic floor space.
The fresh air intake enters directly into the attic space from the roof to allow for attic air circulation in combination with the maximum roof ventilators.
Intake vents located at the lowest part of the roof under the eaves allow cool air to enter the attic.
The goal of roof ventilation is to get fresh relatively cool air into the attic and vent out hot moist air.
A blocked vent can be caused by leaves dead animals and ice dams in very cold climates.
It s important there is a balance between the intake and exhaust ventilation to help ensure air flows smoothly and efficiently.
Hot air exhaust vents located at the peak of the roof allow hot air to escape.
This article describes products research on self closing soffit eaves ridge vents designed to reduce or stop the passage of embers into the roof cavity of a building through the building eaves or ridge during exposure of a building to nearby heat and fire from a forest fire brush fire or adjacent building fire.
It s a roof top installed shingle over intake vent that can be used to supplement existing soffit or undereave vents.
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All aluminum rust free construction residential commercial and industrial sizes.
Certainteed intake vent provides continuous intake airflow at the roof s edge and provides proper intake ventilation for homes with little or no overhang.
During maintenance you ll want to be assured the top of the vent is kept open.
According to most building codes you need 1 square foot of ventilation for every 150 square feet of attic floor space.
