Intake vents such as soffits are placed lower on the roof usually under the eaves.
Roof edge ventilation.
Exhaust vents make up the other half of the system.
That s the beauty of the edge vent.
Certainteed intake vent provides continuous intake airflow at the roof s edge and provides proper intake ventilation for homes with little or no overhang.
The edge vent is a type of attic intake vent that makes up half of a balanced attic ventilation system for each roof.
The problem with other vents is that they have their openings on the roof edge right above the gutter.
It s a roof top installed shingle over intake vent that can be used to supplement existing soffit or undereave vents.
Here are a few examples.
This occurs through the rising of warm air and the falling of cooler air.
The two roof ventilation options intake vents and exhaust vents should be placed to take advantage of the natural increased speed of air circulation.
It can be used to supplement existing soffit or undereave vents as well.
Drip edge vents are a two in one installation that promote water shedding at the eaves and rakes of a roof while also allowing for ventilation into the attic.
This can cause two problems.
One of the great things about a ridge vent is that it is at the topmost point of your roof with hot air constantly rising it is bound to make it way out of the top of your vents thus bringing in cooler air through your soffit vents and into your roof cooling it down.
The general rule of thumb is that the colder the climate the more your attic benefits from the use of ventilation.
Ice and snow will sit in the gutter and on the eave area in the winter effectively blocking the intake area.
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.
The same vent area that is open to allow air flow is now a passage for possible ice and water infiltration.
It s a shingle over rooftop installed intake vent that keeps the roofing contractor on the roof and it can be used on any home with or without overhangs.
It s a roof top installed shingle over intake vent designed based on roofing contractor feedback from our ask the expert seminars.
A drip edge vent is made of a corrosive resistant material that sticks out about three inches back from the roof edge and then bends downward over them.
Roof ridge vents and other forms of roofing ventilation work better when homes are in colder climates.
Since its debut in 2008 the edge vent has helped contractors solve a variety of intake ventilation problems.