Back to Vent Calculator
Print
Address:
19103 MARTHA AVENUE CERRITOS, CA 90703
Total Square Feet of Attic Space to be Ventilated
Total Square Feet of Attic Space to be Ventilated:
474'
Required Method:
1/150
Calculation:
474 ÷ 150 = 3.16 sq. ft. of Code Required Ventilation
Convert square feet of code-required ventilation to square inches
Square Feet of Code Required Ventilation:
3.16
Calculation:
3.16 x 144 = 455.04 sq. in of Code Required Ventilation
Square Inches Provided:
(6 x 98.75) = 592.5 sq. in
Square Inches Needed:
3.16 x 144 = 455.04 sq. in
Where do I install vents graphic
Vent Placement
High / Exhaust Vents Needed:
3
Low / Intake Vents Needed:
3
Total Vents Needed:
6
Composition shingle
Low Profile (Tapered)
NET FREE VENTILATION AREA
Wire Mesh 98.75 sq. in
Figures based on independent evaluation reports.
Comp Roof Drawing
Questions?