Total Square Feet of Attic Space to be Ventilated:
20000'
Required Method:
1/150
Calculation:
20000 ÷ 150 = 133.33 sq. ft. of Code Required Ventilation
Convert square feet of code-required ventilation to square inches
Square Feet of Code Required Ventilation
133.33
Calculation:
133.33 x 144 = 19199.52 sq. in of Code Required Ventilation
Select Material and Determine Vents Required
Material:
concrete Tile
Placement
Square Inches Provided:
(224 x 86.25) = 19320 sq. in
Square Inches Needed:
133.33 x 144 = 19199.52 sq. in
High / Exhaust Vents Needed:
112
Low / Intake Vents Needed:
112
Total Vents Needed:
224
Material:
concrete Tile
Product:
Medium Profile - "M"
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
