Galvanized steel construction mill finish.
Wind turbine attic fan.
This exhaust vent requires adequate soffit.
Turbine fans have angled slits cut into a capped cylinder which create a continuous fan blade.
Master flow weatherwood 14 in aluminum internally braced roof turbine vent.
These can be ridge vents wind turbines or the flat vents your roofer wants to install.
Unlike turbines this venting style does not have any moving parts.
Co polymer bearing system for quiet long lasting and smooth operation.
Get free shipping on qualified roof turbines or buy online pick up in store today in the building materials department.
Tested to ensure durability and performance in extreme temperatures and high winds.
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.
12 standard internally braced wind turbine attic exhaust vent top only.
Master flow black 14 in aluminum internally braced roof turbine vent.
The wind rotates the fan blade causing air movement in the attic as air is pulled out through the.
Attic must have 5 sq.
A turbine has a series of vanes that spin as wind passes through them.
For pricing and availability.
A turbine is installed directly on the top of a roof and uses wind power to suck hot and humid air out of the attic.
Good attic ventilation is important for preventing ice dams in the winter.
A single 14 inch diameter turbine vent that is subjected to 15 mph winds can expel up to 1 342 cfm of air.