Total Vents:
40
Where do I install vents graphic
Vent Placement Recommendations
High / Exhaust Vents Needed:
(Within 3' of Ridge Assembly)
20
Low / Intake Vents:
(Within Lower 1/3 of Attic)
20
Comp Roof Drawing
Total Square Feet of Attic Space to be Ventilated
Total Square Feet of Attic Space to be Ventilated:
3,928
Code Required Method:
1/300 (EXCEPTION)
Calculation:
3,928 ÷ 300 = 13.09 sq. ft. of Code Required Ventilation
Convert square feet of code-required ventilation to square inches
Square Feet of Code Required Ventilation:
13.09
Calculation:
13.09 x 144 = 1,884.96 sq. in. of Code Required Ventilation
Square Inches Provided:
(40 x 98.75) = 3,950 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.
Vent Solutions
Questions?