Address:
947 E. 107th St. Los Angeles, CA 90002
Total Square Feet of Attic Space to be Ventilated
Total Square Feet of Attic Space to be Ventilated:
416'
Required Method:
1/150
Calculation:
416 ÷ 150 = 2.77 sq. ft. of Code Required Ventilation
Convert square feet of code-required ventilation to square inches
Square Feet of Code Required Ventilation:
2.77
Calculation:
2.77 x 144 = 398.88 sq. in of Code Required Ventilation
Square Inches Provided:
(6 x 72) = 432 sq. in
Square Inches Needed:
2.77 x 144 = 398.88 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 72 sq. in
Figures based on independent evaluation reports.
Comp Roof Drawing
Questions?