Aura Gravity Ventilator with Curb Mount Flange | 4″ Diameter 6″ Tall Collar AV-04-C06-CMF
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Active Ventilation Products Aura Vent series has been tested and approved by the State of Florida
Shipping Dimensions for AV-04-C06-CMF
|Actual Package Weight||5 lbs|
|Dimensions||13 × 13 × 17 in|
|UPS Dimensional (Billable) Weight||21 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 4″ Diameter Aluminum Gravity Vent with a 6″ Collar Height and Curb Mount Flange.
Active Ventilation Products’ Aura Ventilator is our optimum exhaust attic ventilation product line that has a patented engineered design to create CFM (Cubic Feet per Minute) of air flow with no moving parts. The Aura Ventilator is noiseless and does not require electricity to create CFM of air flow. The Aura Ventilator performs like a turbine vent with no moving parts ensuring long life and no maintenance. It is an excellent choice to exhaust attic heat in the summer to reduce hot attic temperatures. As well as, exhaust moisture in the winter to keep the attic insulation dry and to prevent ice dams.
The Aura Ventilator product line is made of durable rust free aluminum. Model AV-04-C06 has 12 square inches of Net Free Air Space. It has 3 components: the vent head, collar and flange. Used for commercial and residential applications, Model AV-04-C06 is a 4” diameter aluminum gravity vent with a 6” collar height and 10″ x 10″ square flange. Its round aerodynamic design can with stand harsh weather and wind forces of up to 200 mph. The vent head has three concentric cylinders with slotted vertical louvers. The outer cylinder and middle cylinder are formed together at the edges creating one unit. When air moves against the louvers of the outer and middle cylinders it is directed to create a circular airflow and spins against the inner cylinder. This air movement creates a Venturi effect which produces a vacuum or negative pressure to pull air from within the attic space. The three cylinders are covered with a flat one piece spun lid that prevents rain and snow from entering the vent verses the turbine vent which is open to the sky and allows rain water to enter in “no wind” conditions. The vertical louvers in its most inner cylinder keeps insects, birds and squirrels from entering the vent, allowing optimal air flow and no maintenance. The vent head is attached to the collar with screws; making the vent head removable when needed for inspection or duct maintenance. The collar and flange are two separate components formed (beaded) as one unit that is inseparable.
Model AV-04-C06 collar height of 6” and curb mount flange is best used for flat roof applications.
The Aura Ventilator product line comes standard in a mill finish that will continually have a long lasting clean appearance. Powder coating paint option is available in a wide selection of colors to match any building material. The powder coating process is significantly greater at resisting scratching, chipping and oxidation than wet paint. Our products are proudly designed, engineered and assembled in the U.S.A.
• Built-in inner vertical louver cylinder has a 1/8th inch opening between louver blades that will keep out insect, birds, and animals while allowing air to move through the vent without resistance
• 1/8th inch opening between the louver blades and all aluminum (“noncombustible”) material meets the requirements of California building code 706A.2 Vents to resist the intrusion of burning embers and flame through ventilation openings