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Total Square Feet of Attic Space to be Ventilated
Total Square Feet of Attic Space to be Ventilated:
203'
Required Method:
1/300
Calculation:
203 ÷ 300 = 0.68 sq. ft. of Code Required Ventilation
Convert square feet of code-required ventilation to square inches
Square Feet of Code Required Ventilation:
0.68
Calculation:
0.68 x 144 = 97.92 sq. in of Code Required Ventilation
Square Inches Provided:
(4 x 97.5) = 390 sq. in
Square Inches Needed:
0.68 x 144 = 97.92 sq. in
Where do I install vents graphic
Vent Placement
High / Exhaust Vents Needed:
2
Low / Intake Vents Needed:
2
Total Vents Needed:
4
concrete Tile Vents
High Profile (S)
NET FREE VENTILATION AREA
Wire Mesh 97.5 sq. in
Figures based on independent evaluation reports.
Tile Roof Drawing
Questions?