Address:
6301 Orion ave
Total Square Feet of Attic Space to be Ventilated
Total Square Feet of Attic Space to be Ventilated:
1290'
Required Method:
1/150
Calculation:
1290 ÷ 150 = 8.60 sq. ft. of Code Required Ventilation
Convert square feet of code-required ventilation to square inches
Square Feet of Code Required Ventilation:
8.60
Calculation:
8.60 x 144 = 1238.40 sq. in of Code Required Ventilation
Square Inches Provided:
(18 x 72) = 1296 sq. in
Square Inches Needed:
8.60 x 144 = 1238.40 sq. in
Where do I install vents graphic
Vent Placement
High / Exhaust Vents Needed:
9
Low / Intake Vents Needed:
9
Total Vents Needed:
18
Composition shingle
Low Profile (Tapered)
NET FREE VENTILATION AREA
Wire Mesh 72 sq. in
Figures based on independent evaluation reports.
Comp Roof Drawing
Questions?