If there is wind but the ventilator is not rotating it might be jammed by leaves sticks or even a bird.
Roof wind turbine repair.
Find the noisy turbine and apply the lubricant to the moving parts of the turbine.
Place the stepladder under the attic access space.
These are located in the track where the pipe coming out of the roof meets the spinning part of the vent.
A roof turbine can be made of galvanized steel that rusts as shown above.
Roof mounted wind turbine vents versus aura gravity ventilators.
Climb the ladder remove the access panel and enter the attic.
Be sure to lubricate the bearings.
Call our palm beach county roofing contractors for an attic vent inspection repair or installation today.
Place the replacement turbine base over the vent hole temporarily.
Also the higher the ventilator is on the roof the more effectively it will be able to make use of the wind.
Roof vents a rotary turbine vent on the left and an aura gravity ventilator on the right with curb mount flanges.
All aura gravity ventilators are made of rust free aluminum.