Pop Vent Retrofit Roof Louver | 12″ Diameter | Model PV-12-RF

$37.00

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Pop Vent Retrofit

12" Diameter fresh air intake supply vent for an existing turbine base or metal vent pipe

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Pop Vent Retrofit Roof Louver - Technical Drawing Downloads

Product LinkDrawing- Unmarked Drawing- Measurements Drawing- Cutaway
PV-12-RFdwg file icon - click to download CAD (dwg) fileunmarked drawingpdf file icon - click to download pdf file
dwg file icon - click to download CAD (dwg) fileWith Measurements 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

Pop Roof Vent - Retrofit Installation Instructions

Product LinkInstallation Instructions - pdf
PV-12-RFInstallation Instructionpdf file icon - click to download pdf file

Calculate number of Model PV-12-RF 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.


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Base Price (Before options):

$37.00

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): 843951002491 Model PV-12-RF Category:
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