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Address:
1623 Bird Street, Oroville CA 95965
Total Vents:
10
Where do I install vents graphic
Vent Placement Recommendations
High / Exhaust Vents Needed:
(Within 3' of Ridge Assembly)
5
Low / Intake Vents:
(Within Lower 1/3 of Attic)
5
Comp Roof Drawing
Total Square Feet of Attic Space to be Ventilated
Total Square Feet of Attic Space to be Ventilated:
1,000
Code Required Method:
1/300 (EXCEPTION)
Calculation:
1,000 ÷ 300 = 3.33 sq. ft. of Code Required Ventilation
Convert square feet of code-required ventilation to square inches
Square Feet of Code Required Ventilation:
3.33
Calculation:
3.33 x 144 = 479.52 sq. in. of Code Required Ventilation
Square Inches Provided:
(10 x 98.75) = 987.50 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.
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