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AV-20-C06 | Aura Vent 20″ Diameter 6″ Collar

$235.00

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Gravity Ventilator - Aura Ventilator AV-20-C6-angle
Gravity Ventilator - Aura Ventilator AV-20-C6-cut-away-measurements

Click the Logo to see the full documentation of Active Ventilation Products approvals on the Florida DBPR web site.
Florida Approval

Active Ventilation Products Aura Vent series has been tested and approved by the State of Florida


Texas Department of Insurance - Letterhead

Link to TDI Approval Document, from their web site

Texas Department of Insurance - Evaluation Program

Texas Department of Insurance - Aura Vent Chart

Click to download or print Placement Instruction pdf

Shipping Dimensions for AV-20-C06

Actual Package Weight 24 lbs
Dimensions 26 × 26 × 16 in
UPS Dimensional (Billable) Weight 78 lbs
Manufacturer

Active Ventilation Products

Click here for -> Shipping / Delivery - Policies and Procedures

Click to enlarge pdf for print
Gravity Ventilator - Aura Ventilator AV-20-C6-cut-away-measurements

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.

Inside Diameter:

20 in.
50.8 cm.

Outside Diameter:

25 in.
63.5 cm.

Square Flange (side length):

26 in.
66 cm.

Height of Head:

9 in.
22.9 cm.

Collar Height:

6 in.
15.2 cm.

Height of Flange:

0 in.
0 cm.

Total Height with Collar and Flange:

15 in.
38.1 cm.

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.

Louver Height (inside):

6.25 in.
15.9 cm.

Louver Height (outside):

6.25 in.
15.9 cm.

Size of opening btwn blades (inside):

0.125 in.
0.3175 cm.

Size of opening btwn blades (outside):

0.25 in.
0.635 cm.

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.

Map of Climate Zones

Minimum Pitch Capacity:

0/12 - 0°

Maximum Pitch Capacity (Standard Vent):

5/12 - 22.6°

Maximum Pitch Capacity (Modified):

12/12 - 45°

Free Air Space:

314.2 sq. in.
2026.8 sq. cm.

Free Air Space:

2.1817 sq. ft.
0.2027 sq. m.

1:150 Ventilation Rule:

654.5 sq. ft.
60.805 sq. m.

1:300 Ventilation Rule:

1309 sq. ft.
121.61 sq. m.

The Venturi effect stimulated by even small breezes creates a positive movement of air out of the vent without the need of any part of the vent to move. This movement of air is proportional to the wind speed, and can be measured in Cubic Feet per Minute or Cubic Meters per Minute.

4 MPH Wind:

436 CFM
Airflow in 6.4 KPH Wind: 12.35 CMM

5.2 MPH Wind:

462 CFM
Airflow in 8.4 KPH Wind: 13.08 CMM

7.4 MPH Wind:

685 CFM
Airflow in 11.9 KPH Wind: 19.4 CMM

9.8 MPH Wind:

771 CFM
Airflow in 15.8 KPH Wind8: 21.83 CMM

11 MPH Wind:

881 CFM
Airflow in 17.7 KPH Wind8: 24.95 CMM

Installation Instructions

Click on type of roof

Click to enlarge pdf for print
Click to enlarge pdf for print

Our Aura Vents have UL Certification. Check out other details and specifics on
UL’s Online Certifications Directory.

Description

Aura Roof Ventilator 20″ Diameter Aluminum Gravity Vent with a 6″ Collar Height and 26″ x 26″ Square Flange. The model AV-20-C6 has 314 square inches of Net Free Air Space. It is best used for flat roof applications up to 5/12 roof pitch without modification. Adaptable up to 12/12 roof pitch. This vent contains no moving parts The Venturi effect is stimulated by even small breezes and creates a positive movement of air out of the vent without the need of any part of the vent to move. This movement of air is proportional to the wind speed, and can be measured in Cubic Feet per Minute or Cubic Meters per Minute. At 11MPH wind speeds, this vent moves up to 881 cubic feet of air per minute. These vents are rated for up to 200 MPH winds by Texas Insurance. They are certified by UL as well as Florida Building Code, the toughest in the nation. Being constructed entirely out of aluminum makes our roof vents highly resistant to rust and corrosion. In addition, they are insured for up to 5 years.

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