Improve Attic Ventilation

Ways to improve attic ventilation installing attic vents is a quick and effective answer to the attic ventilation issue.

Improve attic ventilation.

You can also contact your local municipality to check on building code in your area. This 1 300 rule is general and may not apply to all buildings. More is not necessarily. Attic ventilation works on the principle that heated air naturally rises primarily utilizing two types of vents.

If there are asphalt shingles on your roof the attic must be ventilated to comply with the terms of the. Touch your ceiling on a warm sunny day. Here are four signs of an unventilated or under ventilated attic. Intake vents located at the lowest part of the roof under the eaves allow cool air to enter the attic.

It extends the life of your shingles by keeping the roof cooler in hot weather. This allows for a continuous flow of air through the space. Obviously more research is needed but here s what we do know. Intake vents are typically found along the soffit of the house which is the horizontal wood surface under the eaves.

Federal housing administration recommends a minimum of at least one square foot of attic ventilation split evenly between intake and exhaust for every 300 square feet of attic floor space. A well ventilated attic offers four benefits it prevents mildew growth and rot on your roof s framing and sheathing by reducing moisture buildup. It helps prevent ice dams in winter by keeping your roof colder. Hot air exhaust vents located at the peak of the roof allow hot air to escape.

Don t avoid ventilating your attic for fear you re letting cold air into the house. As soffit vents are essentially intake vents which contribute to better attic ventilation by drawing the air from the. Rectangular soffit vents are. Ventilation of attic spaces is required by most building codes as well as by roofing material manufacturers and the national roofing contractors association nrca.

If you don t see any attic vents on the roof or in the eaves you need to add some. How you can improve your attic ventilation the u s. A hot ceiling tells you that the attic is acting like a solar oven. Look at your eaves and roof.

These improve attic ventilation by creating a draft of air coming into the attic from outside at the lowest possible location on the roof.