Improve Attic Ventilation

It extends the life of your shingles by keeping the roof cooler in hot weather.

Improve attic ventilation.

Ventilation of attic spaces is required by most building codes as well as by roofing material manufacturers and the national roofing contractors association nrca. Most building codes require a ratio of 1 150 ventilation space to attic floor space. Here are four signs of an unventilated or under ventilated attic. More is not necessarily.

This allows for a continuous flow of air through the space. As soffit vents are essentially intake vents which contribute to better attic ventilation by drawing the air from the. Rectangular soffit vents are. These improve attic ventilation by creating a draft of air coming into the attic from outside at the lowest possible location on the roof.

You can also contact your local municipality to check on building code in your area. How you can improve your attic ventilation the u s. Intake vents are typically found along the soffit of the house which is the horizontal wood surface under the eaves. Intake vents located at the lowest part of the roof under the eaves allow cool air to enter the attic.

Touch your ceiling on a warm sunny day. Don t avoid ventilating your attic for fear you re letting cold air into the house. Obviously more research is needed but here s what we do know. Ways to improve attic ventilation installing attic vents is a quick and effective answer to the attic ventilation issue.

This 1 300 rule is general and may not apply to all buildings. 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. Your actual living space is sealed.

If you don t see any attic vents on the roof or in the eaves you need to add some. Look at your eaves and roof. Hot air exhaust vents located at the peak of the roof allow hot air to escape. A well ventilated attic offers four benefits it prevents mildew growth and rot on your roof s framing and sheathing by reducing moisture buildup.

Effective ventilation in an unfinished attic usually includes intake vents down low along the soffits and exhaust vents up high at the peak or roof ridge.