Gravity Roof Ventilator Definition

Twin city fan s complete line of gravity ventilators provide natural ventilation of commercial and industrial buildings in roof mounted installations.

Gravity roof ventilator definition.

Gravity air vents small size vents description. The dayton low profile gravity roof ventilator is designed for exhaust or supply applications on natural gravity or positive pressure systems. Gravity vents are placed on the roof being the highest part of the structure to provide for exhaust of building air. Designed for exhaust or supply applications on natural gravity or positive pressure systems.

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 relief intake ventilators rcxii and rcxii sf relief or intake ventilators feature low contour spun aluminum hoods for an attractive appearance. Gravity roof ventilation turbo charged. Elbow style vent the brock elbow style roof vent offers 190 square inches 1225 square centimeters of ventilation opening.

How does it do this. Low profile corrosion resistant rigid aluminum construction with integral birdscreen and built in curb cap. Available in two styles these fans range in sizes from 6 to 36. Round mushroom style roof vent.

Functioning with no moving parts the aura gravity ventilator pulls hot attic air every time the wind blows. Available in aluminum gav 1a copper gav 1c or stainless steel gav 1ss. From 3 76 mm and 10 254 mm. The aura gravity roof ventilator vigorously removes heat from the attic in the summer and moisture from the attic in the winter.

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. The aura gravity ventilator functions like a spinning roof turbine but does not need to spin in order to work. 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. They are designed to exhaust or supply air from or to an enclosed area without the need for a power operated fan.

Prepunched holes allow easy attachment to roof curb.