Mixing Roof Ventilation Types

Attic ventilation works on the principle that heated air naturally rises primarily utilizing two types of vents.

Mixing roof ventilation types.

Thus adding more vents even if they are different types seems logical. These vents are available in various types and styles and soffits are easy to install under the roof s overhang which is known as the soffit. Ridge vents power fans traditional electric and solar powered wind turbines gable louvers and roof louvers. The idea of roof vents existed for hundreds of years with natural vents employed in chinese buildings during the tang dynasty natural ventilation ducts in the buddhist monks caves and wind catchers incorporated in arabian architecture.

Soffit vents are made of aluminum or vinyl and are one of the most popular intake vents. Intake vents located at the lowest part of the roof under the eaves allow cool. These vents are installed in the soffit the enclosed portion under the roof overhang and permit air to flow up under the roof and into the attic. Vent roofs with steeples towers or cupolas can be found in different buildings from barns to cathedrals.

When installed as part of a properly balanced when installed as part of a properly balanced attic ventilation system gaf cobra exhaust vent is a shingle over exhaust vent installed at the roof ridge that helps exhaust excess heat and moisture from your attic. Moreover they can come in different shapes sizes colors and materials. Roof vents for houses can have moving parts or not. But more is only better in this case if it s more of the same type.

As a general rule you don t want to combine two or more different types of exhaust vents ridge vents wind turbines low profile vents roof and gable mounted power fans on the same roof above a common attic. As you can see each of the above types of roof vents offers a slightly varied approach to the problem of heat and moisture in your house. In general there are five types or categories of exhaust vents. As a result the choice of which roof vent style is best for you is really a.

They are not generally visible from a distance and provide excellent protection against unfavorable weather conditions pests dust debris etc. The homeowner or the roofing contractor wants to improve the flow of air. It comes on an easy to install flexible mesh roll and is hand nailable with no complicated fitting wrapping nail gun adapters. The answer is not a simple yes or no so let us say perhaps the determining factor has as much to do with the layout of the attic space as with the roof s design.

The ravc recommends never mixing two types of exhaust vents on the same roof above a common attic because it could short circuit the attic ventilation system. Ironically sometimes the desire to mix types of attic exhaust vents seems reasonable on the surface.