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.
Installing whirlybird roof vent.
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.
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.
As they spin these vents suck the air out of the container.
This video demonstrates the installation of a whirlybird roof ventilator on a trimdek metal roof.
Often one vent is installed low and the other one s placed high diagonal from one another.
If you re a qualified tradesperson you may like to follow these for whirly bird vent installation also.
This technique is also known as cross ventilation.