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Total Vents:
198
Where do I install vents graphic
Vent Placement Recommendations
High / Exhaust Vents Needed:
(Within 3' of Ridge Assembly)
99
Low / Intake Vents:
(Within Lower 1/3 of Attic)
99
Tile Roof Drawing
Total Square Feet of Attic Space to be Ventilated
Total Square Feet of Attic Space to be Ventilated:
20,000
Code Required Method:
1/150 (EXCEPTION)
Calculation:
20,000 ÷ 150 = 133.33 sq. ft. of Code Required Ventilation
Convert square feet of code-required ventilation to square inches
Square Feet of Code Required Ventilation:
133.33
Calculation:
133.33 x 144 = 19,199.52 sq. in. of Code Required Ventilation
Square Inches Provided:
(198 x 97.50) = 19,305 sq. in.
clay 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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