Proper Home Attic Ventilation

Generally speaking you need a ratio of 1 300 where for every 300 square feet of ceiling space you need 1 square foot of attic ventilation.

Proper home attic ventilation.

Installing continuous soffit vents along the outer edge of the eaves adding a ridge vent insulating along the top plates to meet or exceed the r value already in the walls sealing the attic floor to make it airtight and making sure there s the recommended r value of properly installed. Structural ventilation controls heat levels in the attic moderates dampness in the crawlspace and basement and keeps moisture out of uninsulated walls. As the ventilation helps moderate the temperatures in the attic this may also help moderate the temperature in the rest of the home. About attic ventilation natural attic ventilation.

If there are portions of insulation that have been eroded down don t just slap some extra material on top. Proper attic ventilation attics should be insulated to r 38 which is approximately eighteen inches of insulation material. It helps your home rid itself of moisture smoke cooking odors and indoor pollutants. Hot air exhaust vents located at the peak of the roof allow hot air to escape.

Look at your eaves and roof. You ll want to pull out the six inches remaining and put a full fluffy eighteen inch piece of material in place. If you don t see any attic vents on the roof or in the eaves you need to add some. That said air resistance and interference such as vent grates reduces the area of true ventilation.

Attic ventilation works on the principle that heated air naturally rises primarily utilizing two types of vents. These vents allow outside air to enter the attic at the lowest point of the roof along the underside of the eave. Proper attic ventilation offers numerous advantages to the homeowner. A hot ceiling tells you that the attic is acting like a solar oven.

Before we explore how to. Without exception you should talk to a professional to determine what your home requires. Intake vents located at the lowest part of the roof under the eaves allow cool air to enter the attic. Ventilation can be accomplished using various products and techniques.

Touch your ceiling on a warm sunny day. Attic fans are intended to cool hot attics by drawing in cooler outside air from attic vents. Here are four signs of an unventilated or under ventilated attic. If your home is fitted solely with small gable end vents or a ventilator high in the roof you might want to consider adding soffit vents to increase airflow.

There are many different options available to provide adequate ventilation to your attic space.