Back to Vent Calculator
Print
Address:
1672 norte way, santa rosa
Total Vents:
40
Where do I install vents graphic
Vent Placement Recommendations
High / Exhaust Vents Needed:
(Within 3' of Ridge Assembly)
20
Low / Intake Vents:
(Within Lower 1/3 of Attic)
20
Comp Roof Drawing
Total Square Feet of Attic Space to be Ventilated
Total Square Feet of Attic Space to be Ventilated:
2,984
Code Required Method:
1/150 (STANDARD)
Calculation:
2,984 ÷ 150 = 19.89 sq. ft. of Code Required Ventilation
Convert square feet of code-required ventilation to square inches
Square Feet of Code Required Ventilation:
19.89
Calculation:
19.89 x 144 = 2,864.16 sq. in. of Code Required Ventilation
Square Inches Provided:
(40 x 72) = 2,880 sq. in.
Composition shingle
Low Profile (Tapered)
NET FREE VENTILATION AREA
Noncombustible, Corrosion-Resistant Wire Mesh 72 sq. in.
Figures based on independent evaluation reports.
Vent Solutions
Questions?