Attic ventilation works on the principle that heated air naturally rises primarily utilizing two types of vents.
Roof eave vent baffles.
Attic rafter vent baffles are essential for the health of your roof.
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The fresh air flows up between rafters to the ridge where a ridge vent roof vents or gable vents allow the air to exit.
If insulation is allowed to bunch against the inside slope of the roof between the rafters air will be blocked before.
Putting baffles in your attic is a crucial step in installing attic insulation.
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The ventilation system features polystyrene construction which is lightweight and moisture resistant and the integrated baffle means that you need no blocking material between the vent and the top.
Soffit vents are the small metal or plastic grates you probably have seen under the eaves of houses.
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Sometimes called rafter vents baffles provide ventilation and keep the insulation from blocking airflow through your attic.
An attic with balanced ventilation has undereave or soffit vents which allow fresh air into the attic.
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Baffles like this allow you to quickly ensure the soffit eave ventilation area is unobstructed and an air pathway from the eave vent is continuous into the attic cavity.
It is a fairly easy process that will make a world of difference in assisting your insulation and keeping your home protected from rot which can save you a substantial amount of money down.
They allow the fresh air to travel up under the roof to the ridge or gable vents keeping the roofing materials dried out and in good working order.
Without baffles you must keep vents clear of insulation which means.
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Rafter vent with built in baffle helps keep air moving in your attic.
Intake vents located at the lowest part of the roof under the eaves allow cool.