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Address:
2094 W. Alluvial Fresno CA 93711
Total Square Feet of Attic Space to be Ventilated
Total Square Feet of Attic Space to be Ventilated:
4170'
Required Method:
1/300
Calculation:
4170 ÷ 300 = 13.90 sq. ft. of Code Required Ventilation
Convert square feet of code-required ventilation to square inches
Square Feet of Code Required Ventilation:
13.90
Calculation:
13.90 x 144 = 2001.60 sq. in of Code Required Ventilation
Square Inches Provided:
(28 x 72) = 2016 sq. in
Square Inches Needed:
13.90 x 144 = 2001.60 sq. in
Where do I install vents graphic
Vent Placement
High / Exhaust Vents Needed:
14
Low / Intake Vents Needed:
14
Total Vents Needed:
28
Composition shingle
Low Profile (Tapered)
NET FREE VENTILATION AREA
Wire Mesh 72 sq. in
Figures based on independent evaluation reports.
Comp Roof Drawing
Questions?