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Address:
243 Hayes Circle Marina, CA
Total Square Feet of Attic Space to be Ventilated
Total Square Feet of Attic Space to be Ventilated:
17442'
Required Method:
1/300
Calculation:
17442 ÷ 300 = 58.14 sq. ft. of Code Required Ventilation
Convert square feet of code-required ventilation to square inches
Square Feet of Code Required Ventilation:
58.14
Calculation:
58.14 x 144 = 8372.16 sq. in of Code Required Ventilation
Square Inches Provided:
(86 x 98.75) = 8492.5 sq. in
Square Inches Needed:
58.14 x 144 = 8372.16 sq. in
Where do I install vents graphic
Vent Placement
High / Exhaust Vents Needed:
43
Low / Intake Vents Needed:
43
Total Vents Needed:
86
Composition shingle
Low Profile (Tapered)
NET FREE VENTILATION AREA
Wire Mesh 98.75 sq. in
Figures based on independent evaluation reports.
Comp Roof Drawing
Questions?