What Are the Benefits of Vents on a Roof?


Quick Answer

Vents on a roof allow natural air flow and function without the need of motorized fans. The other benefit of vents on a roof is that they ensure overall comfort of the room by offering escape points for hot, moist or stale air, which would otherwise be extremely hot.

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Full Answer

Homes without roof vents have difficulties letting out stale air and letting in fresh air from outside. Roof vents provide relatively simple but effective technology that protects homeowners from moisture and heat. By providing the escape route for air from the house, vents prevent potential damages such as premature aging and cracking. The rule of the thumb for how much roof ventilation calls for at least one square vent area for every 300 square feet of attic floor space.

There are different roof vent options including ridge, static and gable vents. Ridge vents run along the peak of the roof. Their function is to increase airflow and protect the house from dust, snow and rain. Static vents, on the other hand, are primarily protected holes in the roof that ensure air circulation. They feature in different designs including dormer, roof-line and eyebrow vents. They are evenly installed across the roof. Also called wall louvers, gable vents are positioned in the gable ends of the attic and may be used to complement other vents.

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