Address:
2820 Illinois Ave., South Gate, CA 90280
Total Square Feet of Attic Space to be Ventilated
Total Square Feet of Attic Space to be Ventilated:
874'
Required Method:
1/150
Calculation:
874 ÷ 150 = 5.83 sq. ft. of Code Required Ventilation
Convert square feet of code-required ventilation to square inches
Square Feet of Code Required Ventilation:
5.83
Calculation:
5.83 x 144 = 839.52 sq. in of Code Required Ventilation
Square Inches Provided:
(12 x 72) = 864 sq. in
Square Inches Needed:
5.83 x 144 = 839.52 sq. in
Where do I install vents graphic
Vent Placement
High / Exhaust Vents Needed:
6
Low / Intake Vents Needed:
6
Total Vents Needed:
12
Composition shingle
Low Profile (Tapered)
NET FREE VENTILATION AREA
Wire Mesh 72 sq. in
Figures based on independent evaluation reports.
Comp Roof Drawing
Questions?