PV-18-C12-CMF | Pop Vent Curb Mount Flange 18″ Diameter 12″ Collar
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Shipping Dimensions for PV-18-C12-CMF
|Actual Package Weight||22 lbs|
|Dimensions||30 × 30 × 25 in|
|UPS Dimensional (Billable) Weight||162 lbs|
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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.
Louvers are the vertical openings in the vent, which facilitates the flow of air, while keeping animals, insects, debris, and embers out.
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.
This is a Pop Vent, with a flange for easy mounting onto a roof curb, ideal for flat industrial roofs.