The strong weathertight hood is constructed of interlocking arched galvanized steel panels.
Gravity type roof ventilator.
Gravity intake and relief ventilators for use in non powered applications.
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 roof ventilator vigorously removes heat from the attic in the summer and moisture from the attic in the winter.
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.
Brock s elbow style gravity roof ventilator.
How does it do this.
Brock s round mushroom style gravity roof ventilator.
The brock elbow style roof vent offers 190 square inches 1225 square centimeters of ventilation opening.
The round mushroom style vent from brock provides 180 square inches 1160 square centimeters of opening.
Gravity roof ventilation turbo charged.
The aura gravity ventilator functions like a spinning roof turbine but does not need to spin in order to work.
Functioning with no moving parts the aura gravity ventilator pulls hot attic air every time the wind blows.