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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.
The Keepa Vent product line is ideal for flat roof ventilation. AVP offers a 12 inch diameter roof vent with an 11 inch tall collar. This roof vent has an NFA of 113 sq. inches and a standard 18” x 18” square flange.
The 12 inch Keepa Attic Vent is for ventilating low slope or flat roofs. Likewise, it's typically for ventilating attics and or plenums as a roof exhaust vent or as an air intake roof vent. The vent head is removable therefore allowing easy installation on EPDM or TPO roofs. In addition, this roof vent is compatible with membrane roofs. Click here to view our installation guides.
To determine the number of roof vents you may need, see our Vent Calculator.
The 12 inch Keepa Attic Vent removes moisture from the attic during the winter and heat during the summer. In return, this will extend the life of the building structure. The 11 inch tall collar is suitable for locations that accumulate high levels of snowfall. In addition, the round design is aerodynamic to withstand wind speeds up to 200 mph.
As a result, this roof vent is ideal for installation in all climate zones. Most importantly, the Keepa Attic Vent comes in an array of sizes with an optional curb mount flange for additional clearance or tailpipe adaptor allowing for duct ventilation.
For any questions please see the frequently asked questions page, email the sales team at [email protected], or call 845-565-7770
AVP's Keepa Vents are UL Listed and rated up to 50+ PSF or wind pressure above 200 MPH. Certified by the Texas Department of Insurance, Florida State Approved and Conforms to the Standards of CALFIRE.
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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.
*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.
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