Round Back Static Roof Vent | 6″ Diameter 4″ Tall Collar | 28 Sq. In. NFA | Model RBV-6-C4

$17.00

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CERTIFIED-UL Logo

This product has 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.

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Round Back Static Vent | RBV-6-C4

The Round Back Static Vent is 6 inches in diameter with a 4 inch tall collar. In other words, this vent has 4 inches of clearance between the base and the inner louvers. The model RBV-6-C4 has 28 inches of net free area (NFA) and comes with an 11” x 11” square flange.

Installation:

If installed no more than 18 inches from the peak on a roof pitch of 4/12 or greater, this vent can be installed in all climate zones. If installed 4 feet from the peak of the roof on a pitch of 3/12 or greater, this vent can be installed in climate zones 1-4.

The 6 inch Round Back Vent is best used for on roofs with a 3/12 to 12/12 roof pitch. The Round Back Vent comes in an array of diameters and collar heights allowing for installation in any climate zone. See the Climate Zone Chart to determine the proper collar height for installation in your area.

To determine the number of vents you may need, see our Vent Calculator.

However, if you are looking to ventilate a duct, please see our Round Back Roof Jack for vents with a tailpipe adapter. On the other hand we also have Static Vents with curb mount flanges to be installed on roof curbs.

For any questions please email us at [email protected] or give us a call at 1-800-ROOFVENT. If you are looking to determine the pitch of your roof, see the Roof Pitch Diagram.

How it works:

This static vent is ideal for venting out bathroom fans or range hoods. In addition, the round design is aerodynamic to withstand wind speeds up to 200 mph. The 6 inch Round Back Vent is great for residential roof applications because of its low profile. It can also be painted to match the color of the asphalt shingles.

AVP’s Round Back Static Vents are UL Listed and rated up to 50+ PSF or wind pressure above 200 MPH.  Certified by Texas Department of Insurance, Florida State Approved & Conforms to the Standards of CALFIRE.

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Round Back Static Roof Vent - Technical Drawing Downloads

Product LinkDrawing- Unmarked Drawing- Cutaway
RBV-6-C4dwg file icon - click to download CAD (dwg) fileunmarked drawingpdf file icon - click to download pdf file
dwg file icon - click to download CAD (dwg) fileCut Away and Measurements drawingpdf file icon - click to download pdf file

Round Back Vent - Installation Instructions

Product LinkInstallation Instructions - pdf
RBV-6-C4Installation Instructionpdf file icon - click to download pdf file

Calculate number of Model RBV-6-C4 Vents Needed for a Given Area

Enter the Width and Length of the attic space you need to ventilate to calculate the area. You may also enter the area directly in the "Area" field. It is not necessary to hit the Return or Enter key (which will refresh this page), just enter numbers in the fields.


Enter width of space to calculate area (or enter Area below)


Enter width of space to calculate area (or enter Area below)


If you know it, you may enter the area directly here

The diameter size of all roof vents determines the Net Free Area, also known as the "NFA". NFA is the measured amount of opening each vent offers at each specific size. to be available for venting air through a specific vent size. The calculator below will find the overall number of vents needed to effectively ventilate the targeted attic space.

Once you have the area, the numbers shown below are the number of vents of that size which would ventilate the specified area with both 1/300 and 1/150 rule.

Results Appear Here





*Please note
The roof vent calculation values shown above are for the exhaust portion of the roof. The same amount of net free air inches is needed for air intake as well. Proper roof ventilation consists of 50% air exhaust and 50% air intake.


Select Options and Click "Add To Cart" button below

Base Price (Before options):

$17.00

Our products can be painted with a durable baked-on powder coating surface finish.
Click in a color square to choose a paint color.
Click "Premium Colors" to see the full set of color options.












Brand: Active VentilationUPC(GTIN): 843951012117 Model RBV-6-C4 Category:
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