Functioning with no moving parts the aura gravity ventilator pulls hot attic air every time the wind blows.
Gravity type roof ventilator.
Offers roof mounted gravity vents assimple yet effective options for ventilating your building.
Brock s elbow style gravity roof ventilator.
The gravity intake and relief ventilators are non powered do not have a fan and work on pressure differential between the inside and outside of the building.
Gravity intake and relief ventilators for use in non powered applications.
How does it do this.
Often referred to as natural ventilation roof mounted gravity vents work on the principle that hot air rises as the inside of your building heats up during the day that excess heat is released naturally through the vents.
The aura gravity ventilator functions like a spinning roof turbine but does not need to spin in order to work.
The brock elbow style roof vent offers 190 square inches 1225 square centimeters of ventilation opening.
The strong weathertight hood is constructed of interlocking arched galvanized steel panels.
Gravity roof ventilation turbo charged.
These hooded gravity roof ventilators are designed for nonpowered ventilation or can be used in conjunction with powered exhaust supply or reversible fans.
Brock s round mushroom style gravity roof ventilator.