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Total Vents:
58
Where do I install vents graphic
Vent Placement Recommendations
High / Exhaust Vents Needed:
(Within 3' of Ridge Assembly)
29
Low / Intake Vents:
(Within Lower 1/3 of Attic)
29
Comp Roof Drawing
Total Square Feet of Attic Space to be Ventilated
Total Square Feet of Attic Space to be Ventilated:
4,319
Code Required Method:
1/150 (EXCEPTION)
Calculation:
4,319 ÷ 150 = 28.79 sq. ft. of Code Required Ventilation
Convert square feet of code-required ventilation to square inches
Square Feet of Code Required Ventilation:
28.79
Calculation:
28.79 x 144 = 4,145.76 sq. in. of Code Required Ventilation
Square Inches Provided:
(58 x 72) = 4,176 sq. in.
Composition shingle
Low Profile (Tapered)
NET FREE VENTILATION AREA
Noncombustible, Corrosion-Resistant Wire Mesh 72 sq. in.
Figures based on independent evaluation reports.
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