Address:
ASA-22-003_10928 N. ZELZAH AVE.
Total Square Feet of Attic Space to be Ventilated
Total Square Feet of Attic Space to be Ventilated:
925'
Required Method:
1/150
Calculation:
925 ÷ 150 = 6.17 sq. ft. of Code Required Ventilation
Convert square feet of code-required ventilation to square inches
Square Feet of Code Required Ventilation:
6.17
Calculation:
6.17 x 144 = 888.48 sq. in of Code Required Ventilation
Square Inches Provided:
(10 x 98.75) = 987.5 sq. in
Square Inches Needed:
6.17 x 144 = 888.48 sq. in
Where do I install vents graphic
Vent Placement
High / Exhaust Vents Needed:
5
Low / Intake Vents Needed:
5
Total Vents Needed:
10
Composition shingle
Low Profile (Tapered)
NET FREE VENTILATION AREA
Wire Mesh 98.75 sq. in
Figures based on independent evaluation reports.
Comp Roof Drawing
Questions?