Address:
7025 e Balfour rd
Total Square Feet of Attic Space to be Ventilated
Total Square Feet of Attic Space to be Ventilated:
4531'
Required Method:
1/150
Calculation:
4531 ÷ 150 = 30.21 sq. ft. of Code Required Ventilation
Convert square feet of code-required ventilation to square inches
Square Feet of Code Required Ventilation:
30.21
Calculation:
30.21 x 144 = 4350.24 sq. in of Code Required Ventilation
Square Inches Provided:
(46 x 98.75) = 4542.5 sq. in
Square Inches Needed:
30.21 x 144 = 4350.24 sq. in
Where do I install vents graphic
Vent Placement
High / Exhaust Vents Needed:
23
Low / Intake Vents Needed:
23
Total Vents Needed:
46
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?