How doers get more done.
Roof exhaust turbine.
Enter square footage calculate or enter the square footage of the attic or area to be vented.
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.
While a turbine looks a little complex at first glance it s actually very simple.
Wind driven roof vents will pull more air from the attic but only when the wind is blowing.
Roof turbine s wear out lose their functionality.
12 x 17 5 4 2 out of 5 stars 14.
Aura gravity ventilator s ventilation capacity never decreases.
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.
It features permanently lubricated ball bearings.
All aura gravity ventilators are made of rust free aluminum.
Get free shipping on qualified whirlybird exhaust roof turbines or buy online pick up in store today in the building materials department.
Constructed with 025 inch stamped galvanized steel this exhaust vent is available internally and externally braced.
For pricing and availability.
Get it as soon as fri sep 18.
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.
Master flow 12 in galvanized steel internally braced roof turbine vent.
Here s what to know.
They always work like new.
Those are turbines a k a.
Much like a window this round vent is powered by the wind.
Master flow black 14 in aluminum internally braced roof turbine vent.
Flat roof vents have no moving parts to break or squeak but don t vent as much air as wind driven vents.
A single 14 inch diameter turbine vent that is subjected to 15 mph winds can expel up to 1 342 cfm of air.
All things being equal wind driven turbine vents also known as a whirlybird roof vent do move more air than flat vents but only when the wind blows.
A roof turbine can be made of galvanized steel that rusts as shown above.