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Address:
231 Clarendon rd burligame ca
Total Vents:
160
Where do I install vents graphic
Vent Placement Recommendations
High / Exhaust Vents Needed:
(Within 3' of Ridge Assembly)
80
Low / Intake Vents:
(Within Lower 1/3 of Attic)
80
Comp Roof Drawing
Total Square Feet of Attic Space to be Ventilated
Total Square Feet of Attic Space to be Ventilated:
24,000
Code Required Method:
1/300 (EXCEPTION)
Calculation:
24,000 ÷ 300 = 80 sq. ft. of Code Required Ventilation
Convert square feet of code-required ventilation to square inches
Square Feet of Code Required Ventilation:
80
Calculation:
80 x 144 = 11,520 sq. in. of Code Required Ventilation
Square Inches Provided:
(160 x 72) = 11,520 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
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