Without proper ventilation the extra moisture in the heated air will cause wood rot mildew mold and exterior problems like ice dams.
Roofs need turbines.
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Weathered wood galvanized internally braced dual bearing wind turbine model gic12ww view the master flow mechanical vents.
Typically a rooftop will use two or three of these turbines depending on the size of the roof.
If you decide to add more turbine vents to your roof be sure to buy ones that are aluminum.
In addition pay attention to the maximum roof pitch that will work with the turbines.
Get free shipping on qualified roof turbines or buy online pick up in store today in the building materials department.
Why do you need roof turbines.
As the wind passes through the turbine vent a series of vanes within the turbine spin cycling humid air out of the attic.
Roof turbines remove attic moisture and reduce the risk of costly roof damage.
Wind driven roof vents will pull more air from the attic but only when the wind is blowing.
Flat roof vents have no moving parts to break or squeak but don t vent as much air as wind driven vents.
Naturally the action of wind turbines depends on the wind.
These will not rust.
Roof turbines are typically 12 or 14 inches square so they take up minimal space on your roof.
Not all turbines will fit all roof pitches.
Master flow 12 in.
A roof turbine is a relatively small vent that utilizes the wind to remove humid air from an attic.
The turbines are adjustable so that the spinning part is level even though the roof is slanted.