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Address:
18343 Johnson Rd
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:
2,846
Code Required Method:
1/300 (EXCEPTION)
Calculation:
2,846 ÷ 300 = 9.49 sq. ft. of Code Required Ventilation
Convert square feet of code-required ventilation to square inches
Square Feet of Code Required Ventilation:
9.49
Calculation:
9.49 x 144 = 1,366.56 sq. in. of Code Required Ventilation
Square Inches Provided:
(16 x 86.25) = 1,380 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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