Attic Ventilation System

It is the recommendation of the ravc that the attic ventilation system always is balanced.

Attic ventilation system.

You can also contact your local municipality to check on building code in your area. Intake vents located at the lowest part of the roof under the eaves allow cool. Most building codes require a ratio of 1 150 ventilation space to attic floor space. To lower attic temperatures and to remove excess moisture.

Attic ventilation works on the principle that heated air naturally rises primarily utilizing two types of vents. Proper insulation and air sealing also keeps attics cold in winter by blocking the entry of heat and moist air from below. 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. Insufficient ventilation can lead to moisture problems during the winter and decreased energy efficiency during the summer but too much ventilation can be just as bad if not worse.

It comes on an easy to install flexible mesh. In the summer natural air flow in a well vented attic moves super heated air out of the attic protecting roof shingles and removing moisture. Roofing and attic ventilation systems are designed to work year round to balance the intake of cool air and the outflow of warm air in the home. This means an equal amount of intake net free area through vents positioned in the soffit overhang or near the roof s lowest edge and exhaust net free area through vents installed at or near the peak of the roof.

No matter what month it is hot air will accumulate in the attic at the peak of the roof. The insulation will resist heat transfer into the house. It comes on an easy to install flexible mesh roll and is hand nailable with no complicated fitting wrapping nail gun adapters. Attic ventilation serves two main functions.

See the benefits of attic ventilation get automatic lifetime protection on your entire gaf roofing system when you install any gaf lifetime shingle and at least 3 qualifying gaf accessories you ll automatically get a lifetime limited warranty on your shingles and all qualifying gaf accessories. Ventilation of attic spaces is required by most building codes as well as by roofing material manufacturers and the national roofing contractors association nrca. Cobra exhaust vent 10 5 in. In summer and warmer months outside temperatures intensify the effects of this heated air.