Address:
2218 Winchester Street, Oceanside - non fire zone
Total Vents:
20
Where do I install vents graphic
Vent Placement Recommendations
High / Exhaust Vents Needed:
(Within 3' of Ridge Assembly)
10
Low / Intake Vents:
(Within Lower 1/3 of Attic)
10
Comp Roof Drawing
Total Square Feet of Attic Space to be Ventilated
Total Square Feet of Attic Space to be Ventilated:
1,489
Code Required Method:
1/150 (EXCEPTION)
Calculation:
1,489 ÷ 150 = 9.93 sq. ft. of Code Required Ventilation
Convert square feet of code-required ventilation to square inches
Square Feet of Code Required Ventilation:
9.93
Calculation:
9.93 x 144 = 1,429.92 sq. in. of Code Required Ventilation
Square Inches Provided:
(20 x 72) = 1,440 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?