Under Shingle Roof Vents

An aluminum ridge vent has a mushroom shaped profile combined with a wide flange on both sides that sits on top of the.

Under shingle roof vents.

There are two primary types of ridge vents. The building codes and building science for. My roof has had 12 soffits so not as challenged as yours but i added 4 to my siding for exterior foam insulation and didn t want to reduce my soffit size. This happens because of the change in air pressure.

Smartvent should be installed on shingled roofs with a minimum 4 12 pitch. It allows air to flow freely through the 1 roof decking slit providing more than adequate soffit ventilation to maximize ridge vent effectiveness. Whether the roof has overhangs or not air vent s edge vent provides proper intake ventilation for the exhaust vents. Benefits easily installs on the roof s edge roof top installation.

The inside air moves through the ridge vest underneath the cap shingle to escape from the side and into the general atmosphere. Use of ridge or off ridge exhaust vents is required. A shingle over vent is installed over the ridge of a roof and is covered over by asphalt shingle caps that match the surrounding roof shingles. 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.

There is no maximum slope installation. Smartvent is a tapered under shingle plastic product designed for installation along the soffit edge of the roof or the facing edge of dormer rakes and goes virtually unnoticed. Smartvent is nail gunnable. Imo low shingle vents or edge vents will be vulnerable to ice dams which as you probably know can show up even with the best roof insulating installs.

Vent roofs with steeples towers or cupolas can be found in different buildings from barns to cathedrals. The wind which blows over your roof will help to draw the hot moist air out of your attic when roof ridge vents are installed correctly. Shingle over vents and aluminum vents. Its shingle over design blends with the roof and its rooftop installation keeps the roofing contractor in complete control of the entire attic ventilation system.

Certainteed ridge vent combined with sufficient intake vents such as certainteed intake vent are the most efficient and effective systems you can install. Smartvent can be installed under virtually any shingle course when proper installation techniques are used. A new roof is more than just shingles. See how it installs and its three layers of weather protection.

Continuous or individual soffits. 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. It s a roof top installed shingle over intake vent that can be used to supplement existing soffit or undereave vents.