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AV-36-C12-CMF | Aura Vent Curb Mount Flange 36″ Diameter 12″ Collar

$886.00

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  • A Roof Curb to Elevate the Base of the unit is available, with or without insulation. 

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SKU: AV-36-C12-CMF Category:

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


Shipping Dimensions for AV-36-C12-CMF

Package Weight 50 lbs
Dimensions 44 × 44 × 30 in
Billable Weight 418 lbs
Manufacturer

Active Ventilation Products

CAD Downloads (dwg format):Unmarked Drawing,Cutaway with Measurements

Click to enlarge pdf for print

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:

36 in.
91.4 cm.

Outside Diameter:

42 in.
106.7 cm.

Square Flange (side length):

40 in.
101.6 cm.

Height of Head:

14 in.
35.6 cm.

Collar Height:

12 in.
30.5 cm.

Height of Flange:

3 in.
7.62 cm.

Total Height with Collar and Flange:

29 in.
73.7 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):

10.5 in.
26.7 cm.

Louver Height (outside):

10.5 in.
26.7 cm.

Size of opening btwn blades (inside):

0.5 in.
1.27 cm.

Size of opening btwn blades (outside):

0.5 in.
1.27 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):

3/12 - 14°

Maximum Pitch Capacity (Modified):

12/12 - 45°

Free Air Space:

1385.4 sq. in.
8938.3 sq. cm.

Free Air Space:

9.6211 sq. ft.
0.8938 sq. m.

1:150 Ventilation Rule:

2886.34 sq. ft.
268.15 sq. m.

1:300 Ventilation Rule:

5772.68 sq. ft.
536.299 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:

1256 CFM
Airflow in 6.4 KPH Wind: 35.57 CMM

5.2 MPH Wind:

1287 CFM
Airflow in 8.4 KPH Wind: 36.44 CMM

7.4 MPH Wind:

1973 CFM
Airflow in 11.9 KPH Wind: 55.87 CMM

9.8 MPH Wind:

2221 CFM
Airflow in 15.8 KPH Wind8: 62.89 CMM

11 MPH Wind:

2538 CFM
Airflow in 17.7 KPH Wind8: 71.87 CMM
Click to enlarge pdf for print
Click to enlarge pdf for print
Click to enlarge pdf for print

Side View:

Roof Curb RC-36-side

 

Top View:

Roof Curb RC-36-top

 

Side View with Insulation:

Roof Curb RC-36-insulation
Click to enlarge pdf for print

Description

This is a premium exhaust roof vent, with a flange for easy mounting onto a roof curb, ideal for flat industrial roofs. Activated by even a small breeze to forcefully evacuate air using the Venturi effect, all Aura Vents use louver technology to keep your property safe, comfortable, and energy efficient.

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