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Air Intake Roof Louver | 12″ Diameter 6″ Tall Collar PV-12-C06


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Brand: Active VentilationUPC(GTIN): 843951002415 SKU: PV-12-C06 Category:
Roof Louver PVC Pipe Cap PV-12-C6-side
Roof Louver PVC Pipe Cap PV-12-C6-cutaway-and-measurements

Basic dimensions of the Pop 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:

12 in.
30.5 cm.

Outside Diameter:

16 in.
40.6 cm.

Square Flange (side length):

18 in.
45.7 cm.

Height of Head:

5 in.
12.7 cm.

Collar Height:

6 in.
15.2 cm.

Height of Flange:

0 in.
0 cm.

Total Height with Collar and Flange:

11 in.
27.9 cm.

Louvers are the vertical openings in the vent, which facilitates the flow of air, while keeping animals, insects, debris, and embers out.

Louver Height (inside):

3.375 in.
8.6 cm.

Number of Louver Rows (inside):


Louver Height (outside):

1.125 in.
2.9 cm.

Size of opening btwn blades (inside):

0.125 in.
0.3175 cm.

Size of opening btwn blades (outside):

0.125 in.
0.3175 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:


Maximum Pitch Capacity (Standard Vent):


Maximum Pitch Capacity (Modified):


Free Air Space:

113.1 sq. in.
729.7 sq. cm.

Free Air Space:

0.785 sq. ft.
0.073 sq. m.

1:150 Ventilation Rule:

235.62 sq. ft.
21.89 sq. m.

1:300 Ventilation Rule:

471.24 sq. ft.
43.78 sq. m.

Installation Guides Under Development. Coming Soon.

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

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

Our Pop Vents have UL Certification. Check out other details and specifics on

UL Product IQ™ (Note: UL now requires you to have a free account to access this page)
UL’s Online Certifications Directory.

Texas Department of Insurance - Letterhead

Link to TDI Approval Document, from their web site

Texas Department of Insurance - Evaluation Program

Texas Department of Insurance - Pop Vent Chart

Actual Package Weight 9 lbs
Dimensions 18 × 18 × 12 in
UPS Dimensional (Billable) Weight 28 lbs

Active Ventilation Products

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Economical and Efficient Pop Vent, suitable for Intake or Exhaust.