Address:
4219 North Magnolia Drive, San Bernardino, CA, 92407
Total Square Feet of Attic Space to be Ventilated
Total Square Feet of Attic Space to be Ventilated:
1866'
Required Method:
1/300
Calculation:
1866 ÷ 300 = 6.22 sq. ft. of Code Required Ventilation
Convert square feet of code-required ventilation to square inches
Square Feet of Code Required Ventilation:
6.22
Calculation:
6.22 x 144 = 895.68 sq. in of Code Required Ventilation
Square Inches Provided:
(0 x 98.75) = 0 sq. in
Square Inches Needed:
6.22 x 144 = 895.68 sq. in
Where do I install vents graphic
Vent Placement
High / Exhaust Vents Needed:
0
Low / Intake Vents Needed:
0
Total Vents Needed:
0
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?