Back to Vent Calculator
Print
Address:
5100 W. 139th Street, Hawthorne, CA.
Total Vents:
4
Where do I install vents graphic
Vent Placement Recommendations
High / Exhaust Vents Needed:
(Within 3' of Ridge Assembly)
2
Low / Intake Vents:
(Within Lower 1/3 of Attic)
2
Comp Roof Drawing
Total Square Feet of Attic Space to be Ventilated
Total Square Feet of Attic Space to be Ventilated:
199
Code Required Method:
1/150 (EXCEPTION)
Calculation:
199 ÷ 150 = 1.33 sq. ft. of Code Required Ventilation
Convert square feet of code-required ventilation to square inches
Square Feet of Code Required Ventilation:
1.33
Calculation:
1.33 x 144 = 191.52 sq. in. of Code Required Ventilation
Square Inches Provided:
(4 x 72) = 288 sq. in.
Composition shingle
Low Profile (Tapered)
NET FREE VENTILATION AREA
Noncombustible, Corrosion-Resistant Wire Mesh 72 sq. in.
Figures based on independent evaluation reports.
Vent Solutions
Questions?