Address:
22245 Placer Hills Road, Colfax, CA
Total Square Feet of Attic Space to be Ventilated
Total Square Feet of Attic Space to be Ventilated:
1611'
Required Method:
1/300
Calculation:
1611 ÷ 300 = 5.37 sq. ft. of Code Required Ventilation
Convert square feet of code-required ventilation to square inches
Square Feet of Code Required Ventilation
5.37
Calculation:
5.37 x 144 = 773.28 sq. in of Code Required Ventilation
Select Material and Determine Vents Required
Material:
Composition shingle
Placement
Square Inches Provided:
(