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Address:
EXAMPLE: ATTIC AREA (A) AT BUILDING 2
Total Vents:
16
Where do I install vents graphic
Vent Placement Recommendations
High / Exhaust Vents Needed:
(Within 3' of Ridge Assembly)
8
Low / Intake Vents:
(Within Lower 1/3 of Attic)
8
Tile Roof Drawing
Total Square Feet of Attic Space to be Ventilated
Total Square Feet of Attic Space to be Ventilated:
2,724.48
Code Required Method:
1/300 (EXCEPTION)
Calculation:
2,724.48 ÷ 300 = 9.08 sq. ft. of Code Required Ventilation
Convert square feet of code-required ventilation to square inches
Square Feet of Code Required Ventilation:
9.08
Calculation:
9.08 x 144 = 1,307.52 sq. in. of Code Required Ventilation
Square Inches Provided:
(16 x 87.75) = 1,404 sq. in.
clay Tile Vents
High Profile (S)
NET FREE VENTILATION AREA
1/8" Noncombustible, Corrosion-Resistant Wire Mesh 87.75 sq. in.
Figures based on independent evaluation reports.
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