Address:
4280 California Avenue #2 Norco, CA 92860
Total Square Feet of Attic Space to be Ventilated
Total Square Feet of Attic Space to be Ventilated:
1032'
Required Method:
1/300
Calculation:
1032 ÷ 300 = 3.44 sq. ft. of Code Required Ventilation
Convert square feet of code-required ventilation to square inches
Square Feet of Code Required Ventilation:
3.44
Calculation:
3.44 x 144 = 495.36 sq. in of Code Required Ventilation
Square Inches Provided:
(6 x 98.75) = 592.5 sq. in
Square Inches Needed:
3.44 x 144 = 495.36 sq. in
Where do I install vents graphic
Vent Placement
High / Exhaust Vents Needed:
3
Low / Intake Vents Needed:
3
Total Vents Needed:
6
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?