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Total Square Feet of Attic Space to be Ventilated
Total Square Feet of Attic Space to be Ventilated:
6250'
Required Method:
1/300
Calculation:
6250 ÷ 300 = 20.83 sq. ft. of Code Required Ventilation
Convert square feet of code-required ventilation to square inches
Square Feet of Code Required Ventilation:
20.83
Calculation:
20.83 x 144 = 2999.52 sq. in of Code Required Ventilation
Square Inches Provided:
(42 x 72) = 3024 sq. in
Square Inches Needed:
20.83 x 144 = 2999.52 sq. in
Where do I install vents graphic
Vent Placement
High / Exhaust Vents Needed:
21
Low / Intake Vents Needed:
21
Total Vents Needed:
42
concrete Tile Vents
Low Profile (Flat)
NET FREE VENTILATION AREA
Wire Mesh 72 sq. in
Figures based on independent evaluation reports.
Tile Roof Drawing
Questions?