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Address:
762 Cassia Place, Chula Vista
Total Vents:
12
Where do I install vents graphic
Vent Placement Recommendations
High / Exhaust Vents Needed:
(Within 3' of Ridge Assembly)
6
Low / Intake Vents:
(Within Lower 1/3 of Attic)
6
Tile Roof Drawing
Total Square Feet of Attic Space to be Ventilated
Total Square Feet of Attic Space to be Ventilated:
1,862
Code Required Method:
1/300 (EXCEPTION)
Calculation:
1,862 ÷ 300 = 6.21 sq. ft. of Code Required Ventilation
Convert square feet of code-required ventilation to square inches
Square Feet of Code Required Ventilation:
6.21
Calculation:
6.21 x 144 = 894.24 sq. in. of Code Required Ventilation
Square Inches Provided:
(12 x 86.25) = 1,035 sq. in.
concrete Tile Vents
Medium Profile (M)
NET FREE VENTILATION AREA
1/4" Noncombustible, Corrosion-Resistant Wire Mesh 86.25 sq. in.
Figures based on independent evaluation reports.
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