Total Square Feet of Attic Space to be Ventilated:
9093'
Required Method:
1/300
Calculation:
9093 ÷ 300 = 30.31 sq. ft. of Code Required Ventilation
Convert square feet of code-required ventilation to square inches
Square Feet of Code Required Ventilation
30.31
Calculation:
30.31 x 144 = 4364.64 sq. in of Code Required Ventilation
Select Material and Determine Vents Required
Material:
Composition shingle
Placement
Square Inches Provided:
(1216 x 98.75) = 120080 sq. in
Square Inches Needed:
30.31 x 144 = 4364.64 sq. in
High / Exhaust Vents Needed:
608
Low / Intake Vents Needed:
608
Total Vents Needed:
1216
Material:
Composition shingle
Product:
Low Profile - "Tapered"
Benefits of Attic Ventilation
1. Extends the roof's life
2. Curb appeal
3. Balanced System
4. Fits with Solar Systems
5. Validate the Warranty
6. Enhances Above-Sheathing Ventilation (ASV)
7. Reduces Moisture/Removes Trapped Gases
8. Energy conservation
