Address:
1412 La Habra Drive, San Marcos - Non Fire Zone
Total Vents:
22
Where do I install vents graphic
Vent Placement Recommendations
High / Exhaust Vents Needed:
(Within 3' of Ridge Assembly)
11
Low / Intake Vents:
(Within Lower 1/3 of Attic)
11
Comp Roof Drawing
Total Square Feet of Attic Space to be Ventilated
Total Square Feet of Attic Space to be Ventilated:
1,520
Code Required Method:
1/150 (EXCEPTION)
Calculation:
1,520 ÷ 150 = 10.13 sq. ft. of Code Required Ventilation
Convert square feet of code-required ventilation to square inches
Square Feet of Code Required Ventilation:
10.13
Calculation:
10.13 x 144 = 1,458.72 sq. in. of Code Required Ventilation
Square Inches Provided:
(22 x 72) = 1,584 sq. in.
Composition shingle
Low Profile (Tapered)
NET FREE VENTILATION AREA
1/4" Noncombustible, Corrosion-Resistant Wire Mesh 72 sq. in.
Figures based on independent evaluation reports.
Vent Solutions
Questions?