Back to Vent Calculator
Print
Total Square Feet of Attic Space to be Ventilated
Total Square Feet of Attic Space to be Ventilated:
102'
Required Method:
1/150
Calculation:
102 ÷ 150 = 0.68 sq. ft. of Code Required Ventilation
Convert square feet of code-required ventilation to square inches
Square Feet of Code Required Ventilation:
0.68
Calculation:
0.68 x 144 = 97.92 sq. in of Code Required Ventilation
Square Inches Provided:
(2 x 86.25) = 172.5 sq. in
Square Inches Needed:
0.68 x 144 = 97.92 sq. in
Where do I install vents graphic
Vent Placement
High / Exhaust Vents Needed:
1
Low / Intake Vents Needed:
1
Total Vents Needed:
2
clay Tile Vents
Medium Profile (M)
NET FREE VENTILATION AREA
Wire Mesh 86.25 sq. in
Figures based on independent evaluation reports.
Tile Roof Drawing
Questions?