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Address:
9170 Circulo Margen, Spring Valley, CA 91977
Total Vents:
4
Where do I install vents graphic
Vent Placement Recommendations
High / Exhaust Vents Needed:
(Within 3' of Ridge Assembly)
2
Low / Intake Vents:
(Within Lower 1/3 of Attic)
2
Tile Roof Drawing
Total Square Feet of Attic Space to be Ventilated
Total Square Feet of Attic Space to be Ventilated:
648
Code Required Method:
1/300 (EXCEPTION)
Calculation:
648 ÷ 300 = 2.16 sq. ft. of Code Required Ventilation
Convert square feet of code-required ventilation to square inches
Square Feet of Code Required Ventilation:
2.16
Calculation:
2.16 x 144 = 311.04 sq. in. of Code Required Ventilation
Square Inches Provided:
(4 x 86.25) = 345 sq. in.
concrete Tile Vents
Medium Profile (M)
NET FREE VENTILATION AREA
1/4" Noncombustible, Corrosion-Resistant Wire Mesh 86.25 sq. in.
Figures based on independent evaluation reports.
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