This 10 inch Round Back Static Vent with Curb Mount Flange is 10 inches in diameter with a 2 inch tall collar. In other words, this vent has 2 inches of clearance between the base and the inner louvers. The model RBV-10-C2-CMF has 78 inches of net free area (NFA). All 10 inch static vents come with a standard 13.5 x 13.5 inch curb mount flange.
This Static Vent removes hot air from the attic in the summer and moisture in the winter for year-round ventilation. Because of the curb mount flange, this vent is for installation on top of a roof curb. In other words, this flange will only fit over roof curbs or an existing base with a 13 inch diameter. This allows for easy access to the attic or duct below.
AVP's 10 inch static vents are compatible with the 6 inch tall and 12 inch tall roof curbs.
To determine the number of vents you may need, see our Vent Calculator.
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 10 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 Vents have the power to withstand hurricane-force winds. See some of our customer feedback. 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, AVP also offers Static Vents with flat flanges to be installed on roofs with a pitch of 3/12 or greater.
For any questions please see the frequently asked questions page. If you still have questions, email the sales team at [email protected] or call 845-565-7770
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.
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.
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