Back to Vent Calculator
Print
Address:
990 W 11th Street, Upland, CA 91786
Total Vents:
46
Where do I install vents graphic
Vent Placement Recommendations
High / Exhaust Vents Needed:
(Within 3' of Ridge Assembly)
23
Low / Intake Vents:
(Within Lower 1/3 of Attic)
23
Comp Roof Drawing
Total Square Feet of Attic Space to be Ventilated
Total Square Feet of Attic Space to be Ventilated:
9,093
Code Required Method:
1/150 (EXCEPTION)
Calculation:
9,093 ÷ 150 = 60.62 sq. ft. of Code Required Ventilation
Convert square feet of code-required ventilation to square inches
Square Feet of Code Required Ventilation:
60.62
Calculation:
60.62 x 144 = 8,729.28 sq. in. of Code Required Ventilation
Square Inches Provided:
(46 x 98.75) = 4,542.50 sq. in.
Composition shingle
Low Profile (Tapered)
NET FREE VENTILATION AREA
Noncombustible, Corrosion-Resistant Wire Mesh 98.75 sq. in.
Figures based on independent evaluation reports.
Vent Solutions
Questions?