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Total Vents:
18
Where do I install vents graphic
Vent Placement Recommendations
High / Exhaust Vents Needed:
(Within 3' of Ridge Assembly)
9
Low / Intake Vents:
(Within Lower 1/3 of Attic)
9
Tile Roof Drawing
Total Square Feet of Attic Space to be Ventilated
Total Square Feet of Attic Space to be Ventilated:
1,820
Code Required Method:
1/150 (EXCEPTION)
Calculation:
1,820 ÷ 150 = 12.13 sq. ft. of Code Required Ventilation
Convert square feet of code-required ventilation to square inches
Square Feet of Code Required Ventilation:
12.13
Calculation:
12.13 x 144 = 1,746.72 sq. in. of Code Required Ventilation
Square Inches Provided:
(18 x 86.25) = 1,552.50 sq. in.
concrete Tile Vents
Medium Profile (M)
NET FREE VENTILATION AREA
Noncombustible, Corrosion-Resistant Wire Mesh 86.25 sq. in.
Figures based on independent evaluation reports.
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