Ways To Ventilate A Roof

Guide to attic air ventilation.

Ways to ventilate a roof.

If you don t see any attic vents on the roof or in the eaves you need to add some. Think of a ridge vent as a stationary hinge. Attic ventilation works on the principle that heated air naturally rises primarily utilizing two types of vents. Touch your ceiling on a warm sunny day.

The stack effect and the wind effect work together to naturally circulate air. Requires a power source. A hot ceiling tells you that the attic is acting like a solar oven. Whenever possible natural roof ventilation is used.

The bottom of each rafter cavity ends at the soffit which is the horizontal plane that lies just beneath the roof s overhang. Hot air exhaust vents located at the peak of the roof allow hot air to escape. Intake vents located at the lowest part of the roof under the eaves allow cool air to enter the attic. Beneath the roof eaves in the soffit is the standard place to install intake vents because it s the lowest spot in the roof.

The old still reliable method of venting the soffit involves cutting. Before we explore how to ventilate an attic space it. Ventilation can be accomplished using various products and techniques. It covers the space where the two sides of a roof meet and provides a way for stale air to circulate out of the attic while preventing precipitation and critters from getting in.

Look at your eaves and roof. Here are four signs of an unventilated or under ventilated attic.