Total Square Feet of Attic Space to be Ventilated
Total Square Feet of Attic Space to be Ventilated:
2507'
Required Method:
1/300
Calculation:
2507 ÷ 300 = 8.36 sq. ft. of Code Required Ventilation
Convert square feet of code-required ventilation to square inches
Square Feet of Code Required Ventilation
8.36
Calculation:
8.36 x 144 = 1203.84 sq. in of Code Required Ventilation
Select Material and Determine Vents Required
Material:
Composition shingle
Placement
Square Inches Provided:
(