This exhaust vent requires adequate soffit.
Attic wind turbine.
Galvanized steel construction mill finish.
Turbine fans have no power other than wind so when the.
Weathered wood galvanized internally braced dual bearing wind turbine model gic12ww view the master flow mechanical vents 35 45 35 45.
Good attic ventilation is important for preventing ice dams in the winter.
Adjusts to 6 12 pitch.
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.
Free delivery with 45 order.
A single 14 inch diameter turbine vent that is subjected to 15 mph winds can expel up to 1 342 cfm of air.
Master flow 12 in.
12 standard internally braced wind turbine attic exhaust vent top only.
These can be ridge vents wind turbines or the flat vents your roofer wants to install.
Attic must have 5 sq.
Ft of vent space half dedicated for air intake in the soffits and the other half for exhaust on the roof.
The wind rotates the fan blade causing air movement in the attic as air is pulled out through the turbine and replaced with outside air.