Intake vents in addition to the turbine on top you should have an intake vent on either end of your shed to let the air in.
Installing whirlybird roof vent.
Installing a roof ventilator whirly bird installing a twista whirlybird is best done by a trained professional ensuring that a weatherproof seal is restored to the roof and that the twista is operating at it s best.
As they spin these vents suck the air out of the container.
If you re a qualified tradesperson you may like to follow these for whirly bird vent installation also.
If you are going to install multiple vents they should ideally be equidistant that is evenly spaced from the edges of the roof and each other.
For example if the length of the roof is 21 meters and you want to install 2 whirlybirds you could measure 7 meters to the centre of the first whirlybird then 7 meters from there to the centre of the second whirlybird leaving a final 7 meters to the other end of the roof.
This technique is also known as cross ventilation.
Whirlybird turbine vents are a great way to keep your shed cool in the summertime and to vent any noxious odors like gasoline if you re storing a motorcycle or lawnmower inside.