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Address:
20752 Haynes - Roof Area 1
Total Vents:
2
Where do I install vents graphic
Vent Placement Recommendations
High / Exhaust Vents Needed:
(Within 3' of Ridge Assembly)
1
Low / Intake Vents:
(Within Lower 1/3 of Attic)
1
Comp Roof Drawing
Total Square Feet of Attic Space to be Ventilated
Total Square Feet of Attic Space to be Ventilated:
140
Code Required Method:
1/150 (EXCEPTION)
Calculation:
140 ÷ 150 = 0.93 sq. ft. of Code Required Ventilation
Convert square feet of code-required ventilation to square inches
Square Feet of Code Required Ventilation:
0.93
Calculation:
0.93 x 144 = 133.92 sq. in. of Code Required Ventilation
Square Inches Provided:
(2 x 98.75) = 197.50 sq. in.
Composition shingle
Low Profile (Tapered)
NET FREE VENTILATION AREA
Noncombustible, Corrosion-Resistant Wire Mesh 98.75 sq. in.
Figures based on independent evaluation reports.
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