Back to Vent Calculator
Print
Address:
2020 windover rd, pasadena, ca, 91107
Total Vents:
32
Where do I install vents graphic
Vent Placement Recommendations
High / Exhaust Vents Needed:
(Within 3' of Ridge Assembly)
16
Low / Intake Vents:
(Within Lower 1/3 of Attic)
16
Comp Roof Drawing
Total Square Feet of Attic Space to be Ventilated
Total Square Feet of Attic Space to be Ventilated:
2,282
Code Required Method:
1/150 (EXCEPTION)
Calculation:
2,282 ÷ 150 = 15.21 sq. ft. of Code Required Ventilation
Convert square feet of code-required ventilation to square inches
Square Feet of Code Required Ventilation:
15.21
Calculation:
15.21 x 144 = 2,190.24 sq. in. of Code Required Ventilation
Square Inches Provided:
(32 x 72) = 2,304 sq. in.
Composition shingle
Low Profile (Tapered)
NET FREE VENTILATION AREA
1/4" Noncombustible, Corrosion-Resistant Wire Mesh 72 sq. in.
Figures based on independent evaluation reports.
Vent Solutions
Questions?