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Roof Ventilation / Ventilation Calculator

Ventilation Calculator
Step 1 - Square Footage
Enter Square Footage
Enter the square footage of the attic or enter the dimensions
 
OR
Enter the dimensions of your attic:
X
Ventilation Requirements
Choose your requirements. Atlas Roofing recommends a balanced ventilation system based on U.S. FHA 1:150 guideline.
Based on your sq.ft. and this guideline, you'll need a minimum of:
Sq. In.
AND
Sq. In.
Exhaust System Products
Allows excess heat and moisture to exit the home.
The following product options will allow you to achieve an exhaust NFVA of square inches.
Select a product below to continue
TruRidge® Exhaust Vent
linear feet required. Order qty: pieces.
HighPoint® Performance Ridge Exhaust Vent
linear feet required. Order qty: pieces.
TruRidge® ALL-WEATHER Exhaust Vent
linear feet required. Order qty: pieces.
HighPoint® InvisaRidge™ Exhaust Vent
linear feet required. Order qty: pieces.
TruRidge® PRO Exhaust Vent
linear feet required. Order qty: pieces.
HighPoint® Stealth Ridge Exhaust Vent
linear feet required. Order qty: pieces.
Intake System Products
Allows cool, dry air, to enter the attic.
The following product options will allow you to achieve an intake NFVA of square inches.
Select a product below to continue
HighPoint® INTAKE
linear feet required. Order qty: pieces.

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