Total Square Feet of Attic Space to be Ventilated
Total Square Feet of Attic Space to be Ventilated:
2281'
Required Method:
1/150
Calculation:
2281 ÷ 150 = 15.21 sq. ft. of Code Required Ventilation
Convert square feet of code-required ventilation to square inches
Square Feet of Code Required Ventilation:
15.21
Calculation:
15.21 x 144 = 2190.24 sq. in of Code Required Ventilation
Square Inches Provided:
(32 x 72) = 2304 sq. in
Square Inches Needed:
15.21 x 144 = 2190.24 sq. in
Where do I install vents graphic
Vent Placement
High / Exhaust Vents Needed:
16
Low / Intake Vents Needed:
16
Total Vents Needed:
32
Composition shingle
Low Profile (Tapered)
NET FREE VENTILATION AREA
Wire Mesh 72 sq. in
Figures based on independent evaluation reports.
Comp Roof Drawing
Questions?