Examine the turbine from the exterior from the roof.
Roof turbine not spinning.
Since they are only 4 years old i m guessing they were replacements so maybe the wrong ones were installed not all turbines work with all roof pitches or these just haven t been leveled correctly.
In addition pay attention to the maximum roof pitch that will work with the turbines.
Step 3 clear any obstructions away from the turbines by pulling them free.
2 of my 3 turbine vents on my roof won t turn unless there s a stronger wind.
These will not rust.
I ve gone on the roof and white lithium greased both and but a level on them and they are pretty close to level.
The turbines are adjustable so that the spinning part is level even though the roof is slanted.
The turbine on the house next door is spinning as are a few others down the street but this one isn t.
Also barely using my finger of course they spin freely no noise etc.
It was very annoying.
Our turbine roof vents whirlybirds were really noisy and had some rattling that was causing some vibration in the house.
New roof turbine not spinning.
Walking around my soffits yes i do have soffit vents and from the attic i can see sunlight in.
Not all turbines will fit all roof pitches.
The maximum roof pitch is almost always printed on the box label.
A turbine may fail to spin if the bearings become rusty or obstructions such as ice leaves or twigs have become wedged into the turbine.
Both houses are standard single story houses with gable roofs.
I installed a basic aluminum 12 roof turbine on the back side of a house yesterday but it s not spinning.