The popular ridge and soffit ventilation systems and the traditional metal pot vents are also passive ventilation systems.
Turbine vents on roof.
As soon as it starts to spin it vacuums air out of your attic.
Turbine roof vent cover heavy duty turbine ventilator protector shield waterproof 1680d oxford fabric adjustable drawstring design year around protection for your roof vent s.
A small 12 inch diameter turbine vent with a constant wind speed of 5 miles per hour mph can remove 347 cubic feet of air per minute cfm from the attic space.
Find roof turbine vents at lowe s today.
A turbine vents spins with the slightest breeze.
Roof vents need to move hot humid air from the attic to the outdoors so that humidity doesn t build up and cause mold rot or other moisture problems that findlay roofing regularly sees when dealing with attic issues.
A single 14 inch diameter turbine vent that is subjected to 15 mph winds can expel up to 1 342 cfm of air.
Since turbines are attached directly to attic spaces they can siphon away that moist air effectively.