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Total Vents:
50
Where do I install vents graphic
Vent Placement Recommendations
High / Exhaust Vents Needed:
(Within 3' of Ridge Assembly)
25
Low / Intake Vents:
(Within Lower 1/3 of Attic)
25
Metal Roof Drawing
Total Square Feet of Attic Space to be Ventilated
Total Square Feet of Attic Space to be Ventilated:
3,575
Code Required Method:
1/150 (EXCEPTION)
Calculation:
3,575 ÷ 150 = 23.83 sq. ft. of Code Required Ventilation
Convert square feet of code-required ventilation to square inches
Square Feet of Code Required Ventilation:
23.83
Calculation:
23.83 x 144 = 3,431.52 sq. in. of Code Required Ventilation
Square Inches Provided:
(50 x 70.20) = 3,510 sq. in.
Standing Seam metal
Low Profile (Tapered)
NET FREE VENTILATION AREA
1/8" Noncombustible, Corrosion-Resistant Wire Mesh 70.20 sq. in.
Figures based on independent evaluation reports.
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