Attic Ventilation Intake Vents

Intake vents located at the lowest part of the roof under the eaves allow cool air to enter the attic.

Attic ventilation intake vents.

For this method to be most effective approximately equal amounts of ventilation should be placed at the soffits or eave level and at or near the top of the attic space. Attic ventilation works on the principle that heated air naturally rises primarily utilizing two types of vents. See the benefits of attic ventilation. A new roof is more than just shingles.

Intake vents draw cooler outside air into the home. As cooler air comes in it forces the warmer air to keep rising up and out. Help remove excess heat and moisture to protect your roof from premature deterioration. Ventilation and attic vents.

Federal housing authority recommends a minimum of at least 1 square foot of attic ventilation evenly split between intake and exhaust for every 300 square feet of attic floor space. Outside air enters the attic space through soffit or eave vents rises through the attic space as it warms and exits through vents that are positioned at or near the top. They also control energy costs and extend the life of your roof by preventing ice dams. Hot air exhaust vents located at the peak of the roof allow hot air to escape.

Intake vents help exhaust vents reduce attic heat more effectively. Proper attic ventilation consists of a balance between air intake at your eaves soffits or fascias and air exhaust at or near your roof ridge. Continuous un blocked soffit or eaves intake venting combined with continuous roof ridge venting or equivalent area if the building framing does not permit a ridge vent are needed to avoid ice dams attic condensation attic mold rot or insect damage from accumulating attic moisture.