Gravity or natural ventilation is a means of ventilating a building by strategically placing openings in the building exterior in order to take advantage of naturally occurring phenomena.
Gravity roof ventilator definition.
How does it do this.
Available in two styles these fans range in sizes from 6 to 36.
Low profile corrosion resistant rigid aluminum construction with integral birdscreen and built in curb cap.
From 3 76 mm and 10 254 mm.
Gravity roof ventilation turbo charged.
They are designed to exhaust or supply air from or to an enclosed area without the need for a power operated fan.
Twin city fan s complete line of gravity ventilators provide natural ventilation of commercial and industrial buildings in roof mounted installations.
Prepunched holes allow easy attachment to roof curb.
In order to take advantage of both wind pressure and stack effect gravity ventilators are generally used in conjunction with open doors and windows to ventilate the structure.
Round mushroom style roof vent.
Thaler gav 1 gravity air vents consist of a metal sleeve with integral deck flange removable conical hood fitted with a three support brackets and insect screen.
The aura gravity roof ventilator vigorously removes heat from the attic in the summer and moisture from the attic in the winter.
The aura gravity ventilator functions like a spinning roof turbine but does not need to spin in order to work.
Available in aluminum gav 1a copper gav 1c or stainless steel gav 1ss.
Gravity vents are placed on the roof being the highest part of the structure to provide for exhaust of building air.
Low profile hood has a rigid aluminum corrosion resistant construction.
Built in curb cap with prepunched holes for easy attachment to roof curb.
Gravity roof ventilators brock offers two styles of gravity roof ventilators to help provide free air movement into the bin.
Functioning with no moving parts the aura gravity ventilator pulls hot attic air every time the wind blows.
Designed for exhaust or supply applications on natural gravity or positive pressure systems.
Gravity air vents small size vents description.