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Address:
576 Glen Heather Drive, San Marcos - non fire zone
Total Vents:
20
Where do I install vents graphic
Vent Placement Recommendations
High / Exhaust Vents Needed:
(Within 3' of Ridge Assembly)
10
Low / Intake Vents:
(Within Lower 1/3 of Attic)
10
Comp Roof Drawing
Total Square Feet of Attic Space to be Ventilated
Total Square Feet of Attic Space to be Ventilated:
1,464
Code Required Method:
1/150 (EXCEPTION)
Calculation:
1,464 ÷ 150 = 9.76 sq. ft. of Code Required Ventilation
Convert square feet of code-required ventilation to square inches
Square Feet of Code Required Ventilation:
9.76
Calculation:
9.76 x 144 = 1,405.44 sq. in. of Code Required Ventilation
Square Inches Provided:
(20 x 72) = 1,440 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
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