Aura Gravity Ventilator | 42″ Diameter 12″ Tall Collar AV-42-C12
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Active Ventilation Products Aura Vent series has been tested and approved by the State of Florida
Shipping Dimensions for AV-42-C12
|Actual Package Weight||90 lbs|
|Dimensions||52 × 52 × 30 in|
|UPS Dimensional (Billable) Weight||584 lbs|
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Basic dimensions of the Aura Vent and it’s identifying attributes. Primary identifying dimensions of vents and fans are the inside diameter of the Head, which equals the diameter of the hole being vented, and the height of the Collar which is the solid tube between the Head of the vent and the Flange which attaches to the roof.
Louvers are the vertical openings in the vent, which facilitates the flow of air, while keeping animals, insects, debris, and embers out. The combination of inner and outer Louvers on our signature “Aura” series of vents and fans are shaped to create a positive vacuum effect which draws air out of the vent, utilizing a physical principle known as the Venturi effect.
Expected snow and rain in your region and the pitch of the roof are the key consideration when choosing the height of the collar of your roof vents. Zones 1 and 2 are not expected to sustain significant snow packs, while zones 3-7 are likely to experience snow, possibly for weeks or months. Vent collars under 4 inches are inappropriate for flat (0/12 pitch) roofs because even heavy rain can splash water into a shorter vent.
Aura Roof Ventilator 42″ diameter Aluminum Gravity Vent with a 12″ collar height and 52″ x 52″ square flange.
Model AV-42-C12 has 1,384 square inches of Net Free Air Space.
Best used on flat roof applications.