Back to Vent Calculator
Print
Total Square Feet of Attic Space to be Ventilated
Total Square Feet of Attic Space to be Ventilated:
3172'
Required Method:
1/150
Calculation:
3172 ÷ 150 = 21.15 sq. ft. of Code Required Ventilation
Convert square feet of code-required ventilation to square inches
Square Feet of Code Required Ventilation:
21.15
Calculation:
21.15 x 144 = 3045.60 sq. in of Code Required Ventilation
Square Inches Provided:
(44 x 72) = 3168 sq. in
Square Inches Needed:
21.15 x 144 = 3045.60 sq. in
Where do I install vents graphic
Vent Placement
High / Exhaust Vents Needed:
22
Low / Intake Vents Needed:
22
Total Vents Needed:
44
concrete Tile Vents
Low Profile (Flat)
NET FREE VENTILATION AREA
Wire Mesh 72 sq. in
Figures based on independent evaluation reports.
Tile Roof Drawing
Questions?