Residential Attic Ventilation

A ridge vent is a ventilation strip that is placed along the ridgeline of the home.

Residential attic ventilation.

Mesh roll ridge vent in black nail gun version 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. Effective attic ventilation systems reduce damaging heat and moisture in your attic promote energy efficiency by helping to reduce the load on your air conditioner in the summer and also reduce the risk of ice dam formation on your roof. How attic ventilation works. Prior to installing the ridge vent a 1 inch wide strip of roof decking is cut out along both sides of the ridgeline to allow for air movement through the vent.

Proper attic ventilation can be an impor tant performance consideration when design ing and installing steep slope roof systems. Cobra exhaust vent 10 5 in. Let owens corning roofing help you calculate exactly how much ventilation you will need for a healthy and balanced attic with our 4 step ventilation calculator. The following is a list of options for installing ventilation into a residential attic space.

This ply gem 14 in. Building codes vary though so do check with your. The roofing industry also has practical guide lines for attic ventilation. Typically building codes include minimum requirements applicable to attic ventilation.

Square gable vent functions as a decorative accent to your home while providing maximum attic ventilation. Attic venting serves an important purpose and is key to a well performing roof system. The recommended ventilation ratio to provide for vented attic assemblies when an air barrier is present is the 1 300 ratio as specified by most building codes. The general rule of thumb suggests installing at least 1 sq.

Calculate or enter the square footage of the attic or area to be vented. See the benefits of attic ventilation a new roof is more than just shingles. This is based principally on good historical experience and simple psychrometric analysis handegord giroux 1984. Anyone involved with residential roofing should become familiar with the purpose of attic ventilation and understand how to achieve an effective ventilation system while meeting building code requirements.

It comes on an easy to install flexible mesh. Its two piece design is fully compatible with all siding profiles ply gem gable vents are designed to withstand the toughest weather and retain their beauty year after year. Code requirements the international building code.