Address:
12656 Michigan Street Grand Terrace, CA 92313
Total Square Feet of Attic Space to be Ventilated
Total Square Feet of Attic Space to be Ventilated:
2084'
Required Method:
1/300
Calculation:
2084 ÷ 300 = 6.95 sq. ft. of Code Required Ventilation
Convert square feet of code-required ventilation to square inches
Square Feet of Code Required Ventilation:
6.95
Calculation:
6.95 x 144 = 1000.80 sq. in of Code Required Ventilation
Square Inches Provided:
(12 x 98.75) = 1185 sq. in
Square Inches Needed:
6.95 x 144 = 1000.80 sq. in
Where do I install vents graphic
Vent Placement
High / Exhaust Vents Needed:
6
Low / Intake Vents Needed:
6
Total Vents Needed:
12
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?