Start in the attic and drill a hole through the roof in the desired vent location.
Roof air extractor.
They can quickly remove a larger volume of hot and or humid air from your attic compared to static ventilation which helps save money on your heating and cooling costs.
This 500mm whirlybird vent roof air extractor is used to circulate air in buildings extracting hot air and moisture and replacing with new fresh air.
These roof extractors encompasses of turbine blades which rotates and helps in exhausting warm moist vapors developed in the house due to cooking washing and bathing.
Activair roof extractor fans are available in 7 sizes from 315mm to 630mm diameter 7085cfm.
300 to 1200 mm.
We have also design a new concept of roof extractor fan as you can see in the photograph which is directly mount on roof as we can in natural ventilator.
They are typically easier to install and won t detract from the appearance of your roof.
It is the identical specification of the standard 240mm whirlybird with the following important adaptations.
Easy to handle and maintain.
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This design will remove the tedious fitting of roof extractor fans on the roof which will also increase the life of the shed.
The home does not have an endless supply of cold air available for ventilating through a whirly bird.
Roof ventilators are designed to help exhaust contaminated air from kitchen range hoods up and away from the roof.
Filtered supply ventilators help supply filtered make up air in commercial or institutional buildings.
Some models feature a hinged hood to ease access to motor and drives for maintenance.
1300 to 60000 cmh.
Check out our range of roof ventilation products at your local bunnings warehouse.
Using inside air via ceiling ventilation to feed a roof ventilation device encourages hot summer air from outside via windows doors and other points of air leakage to come inside overloading your air conditioning system.
This pressure exertion pulls out the stale and bad odored air from the building.
We encourage retail customers to use our click deliver or drive collect service.
Covid 19 update to customers our metropolitan melbourne stores will remain open for trade customers only.
Fitting extractor fans to remove the hot air that gathers in the roof space and to provide early morning cooling is the most cost effective way to reduce the temperature inside commercial buildings.
Leave the drill bit sticking through the roof so you can find the hole.
This important adaptation of the 240mm whirlybird roof air extractor is that they are specifically designed for highly corrosive environments.
Suitable for warehouses factories barns farm sheds stable blocks chicken houses commercial kitchens public buildings like libraries large clinics and schools churches etc.
The spindle self tapping screws and rivets that hold the assembly together are stainless steel.
From up on the roof use a jigsaw or reciprocating saw to cut a 4 in.
