Attic Air Intake Vents

The following product options will allow you to achieve an intake nfva of 528 square inches.

Attic air intake vents.

Allows cool dry air to enter the attic. Ravc member companies have an extensive offering of intake and exhaust vents. 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. The two roof ventilation options intake vents and exhaust vents should be placed to take advantage of the natural increased speed of air circulation.

Air vent 2 in. Master flow 18. Roof vents will provide about half of the vent area and soffit vents the other half. The open area of a vent is sometimes listed on the roof air vent as nfva net free vent area.

Intake vents located at the lowest part of the roof under the eaves allow cool. Choose one of the following products to meet the recommended intake nfva of 528 square inches. Get free shipping on qualified intake soffit vents or buy online pick up in store today in the building materials department. Air intake vents are used to allow outside air to enter into attics.

Roofing attic ventilation. Mark attic roof air vent locations. How to install roof vents. It s important there is a balance between the intake and exhaust ventilation to help ensure air flows smoothly and efficiently.

Intake vents are best when used in conjunction with roof exhaust vents. Soffit vents are one of the most popular intake vent styles. 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. Mini louvers sold 6 louvers per bag 6 bags per carton only model mlm2mf.

This occurs through the rising of warm air and the falling of cooler air. Intake vents such as soffits are placed lower on the roof usually under the eaves. Intake vents should be located low on the roof or along the lowest eave or soffit of the roof assembly. If not measure the size yourself.

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. What are air intake roof vents. This allows cool dry air to enter the attic at the lowest point helping to remove any warm moist air from inside the attic through the exhaust vents along the entire underside of the roof deck.