How To Ventilate An Attic

If you don t see any attic vents on the roof or in the eaves you need to add some.

How to ventilate an attic. Ventilation of attic spaces is required by most building codes as well as by roofing material manufacturers and the national roofing contractors association nrca. To properly ventilate an attic two types of vents are needed. These rely on the wind to keep it moving. Most building codes require a ratio of 1 150 ventilation space to attic floor space.

When it moves it causes a draw in the attic space to help remove heat. A hot ceiling tells you that the attic is acting like a solar oven. You re probably familiar with the round ones that spin. We call those whirlybirds or turbine ventilators.

Ventilation can be accomplished using various products and techniques. For this kind of system you need soffit vents and ridge vents. Look at your eaves and roof. Intake vents located at the lowest part of the roof under the eaves allow cool air to enter the attic.

Attic ventilation works on the principle that heated air naturally rises primarily utilizing two types of vents. Before we explore how to ventilate an attic space it is prudent to understand how much ventilation is needed. Hot air exhaust vents located at the peak of the roof allow hot air to escape. Touch your ceiling on a warm sunny day.

Soffit vents are intake vents located under the outside eaves of your home. The best form of attic ventilation for your home is a balanced system where the intake vents are separate from the exhaust vents.