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Total Vents:
6
Where do I install vents graphic
Vent Placement Recommendations
High / Exhaust Vents Needed:
(Within 3' of Ridge Assembly)
3
Low / Intake Vents:
(Within Lower 1/3 of Attic)
3
Metal Roof Drawing
Total Square Feet of Attic Space to be Ventilated
Total Square Feet of Attic Space to be Ventilated:
328
Code Required Method:
1/150 (EXCEPTION)
Calculation:
328 ÷ 150 = 2.19 sq. ft. of Code Required Ventilation
Convert square feet of code-required ventilation to square inches
Square Feet of Code Required Ventilation:
2.19
Calculation:
2.19 x 144 = 315.36 sq. in. of Code Required Ventilation
Square Inches Provided:
(6 x 70.20) = 421.20 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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