There are two basic categories of roof vents including passive and powered.
Passive roof ventilation.
Achieving calculated continuous and unimpeded airflow through the roof cavity is relatively straight forward.
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Taking advantage of this natural process referred to as passive ventilation is the most common way to vent an.
Proper ventilation at the roof is important to a complete attic ventilation system as well as to the structural integrity of the roof.
Passive roof vents encourage natural air flow and work without the aid of motorized fans.
Hot air exhaust vents located at the peak of the roof allow hot air to escape.
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Continuous or individual soffits.
Soffit vents are one of the most popular intake vent styles.
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In winter you need to dump that hot air before it condenses which can lead to rot and mold.
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A roofing contractor can install four different kinds of roof vents that all fall into one of the two categories.
Whilst it is possible to retrofit passive ventilation solutions to existing buildings it is highly recommended to incorporate passive ventilation during the design phase of any new building project.