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roof-vents
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Specs coming soon.

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View the Roof Curb Product Page for more info and sizes or add to cart for this model size by choosing the option under "Base Types" to the right.

Roof Curb Literature

Add the Curb Mount Flange to your order for this model size by choosing the option under "Base Types" to the right.

Curb Mount Flange Literature

Use our CFM calculator and chart to determine how many vents you need for your project.

AV Diameters




PV Diameters




UV Diameters





Step 1: Calculate the square footage of the attic (feet)


Step 2: Enter the height at the attic's highest point (feet)

Step 3: Choose your roof type



Total cubic footage of your attic:


Step 4: Choose air change rate per hour



Total cubic feet of air to be exhausted per hour:


Step 5: Pick the fan to be used


Result:

Total number of fans required:




Enter the length and width (in feet) or total square footage of your building in the fields below to determine how many vents are required based on the 1/150 or 1/300 Rule. This calculator is for the EXHAUST HALF ONLY. If an intake ventilator is needed, just double the amount of vents. For example, if 2 AV-14 are needed and inlet vents are needed, then an additional 2 PV-14 vents would be required

Calculate the placement
of the exhaust vents on pitched roofs:


Length of roof


Height of roof


Total square feet


Total vents needed


Distance needed between vents

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roof-vents

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ASF-20-C12-CMF

  • Base Price: $848.00
  • $848.00


Product Configuration



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