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Address:
2239 N Holliston Ave, Altadena CA, 91001
Total Vents:
32
Where do I install vents graphic
Vent Placement Recommendations
High / Exhaust Vents Needed:
(Within 3' of Ridge Assembly)
16
Low / Intake Vents:
(Within Lower 1/3 of Attic)
16
Tile Roof Drawing
Total Square Feet of Attic Space to be Ventilated
Total Square Feet of Attic Space to be Ventilated:
2,886
Code Required Method:
1/150 (STANDARD)
Calculation:
2,886 ÷ 150 = 19.24 sq. ft. of Code Required Ventilation
Convert square feet of code-required ventilation to square inches
Square Feet of Code Required Ventilation:
19.24
Calculation:
19.24 x 144 = 2,770.56 sq. in. of Code Required Ventilation
Square Inches Provided:
(32 x 87.75) = 2,808 sq. in.
clay Tile Vents
High Profile (S)
NET FREE VENTILATION AREA
1/8" Noncombustible, Corrosion-Resistant Wire Mesh 87.75 sq. in.
Figures based on independent evaluation reports.
Vent Solutions
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