When spaced evenly across the roof roof turbines can provide passive exhaust on windless days.
Attic vents on side of house.
Space the soffit vents uniformly around the house to be sure air circulates evenly throughout the attic.
Look for nails and seams in the soffit that indicate framing locations and avoid placing vents over the framing.
However to function effectively these vents rely on strong winds.
Slits in the product allow for air to flow into the attic.
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 turbines have blades that spin in the wind pulling air up through the intake vents into the attic and out of the house.
Gable vents are a type of louvered vent that can act as an intake or exhaust vent depending on which way the wind is blowing.
Static roof vents also known as roof louvers are designed to fit into the highest peaks of a roof and rely on wind to function.
To mark cutting lines on the soffit make a cardboard template that s 1 in.
Organizations such as the nrca recommend against this roof vent style in cold climates because it can promote ice dams.
Smaller than the vent.
Intake vents located at the lowest part of the roof under the eaves allow cool.
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.
Rather than being installed on the roof gable vents are installed on the exterior side wall of the house near the roof ridge.
Attic ventilation works on the principle that heated air naturally rises primarily utilizing two types of vents.