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Total Vents:
446
Where do I install vents graphic
Vent Placement Recommendations
High / Exhaust Vents Needed:
(Within 3' of Ridge Assembly)
223
Low / Intake Vents:
(Within Lower 1/3 of Attic)
223
Tile Roof Drawing
Total Square Feet of Attic Space to be Ventilated
Total Square Feet of Attic Space to be Ventilated:
40,000
Code Required Method:
1/150 (EXCEPTION)
Calculation:
40,000 ÷ 150 = 266.67 sq. ft. of Code Required Ventilation
Convert square feet of code-required ventilation to square inches
Square Feet of Code Required Ventilation:
266.67
Calculation:
266.67 x 144 = 38,400.48 sq. in. of Code Required Ventilation
Square Inches Provided:
(446 x 97.50) = 43,485 sq. in.
concrete Tile Vents
High Profile (S)
NET FREE VENTILATION AREA
Noncombustible, Corrosion-Resistant Wire Mesh 97.50 sq. in.
Figures based on independent evaluation reports.
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