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Total Vents:
256
Where do I install vents graphic
Vent Placement Recommendations
High / Exhaust Vents Needed:
(Within 3' of Ridge Assembly)
128
Low / Intake Vents:
(Within Lower 1/3 of Attic)
128
Tile Roof Drawing
Total Square Feet of Attic Space to be Ventilated
Total Square Feet of Attic Space to be Ventilated:
23,000
Code Required Method:
1/150 (EXCEPTION)
Calculation:
23,000 ÷ 150 = 153.33 sq. ft. of Code Required Ventilation
Convert square feet of code-required ventilation to square inches
Square Feet of Code Required Ventilation:
153.33
Calculation:
153.33 x 144 = 22,079.52 sq. in. of Code Required Ventilation
Square Inches Provided:
(256 x 86.25) = 22,080 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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