Address:
1274 W. EL DORADO EL CENTRO CA
Total Square Feet of Attic Space to be Ventilated
Total Square Feet of Attic Space to be Ventilated:
4600'
Required Method:
1/300
Calculation:
4600 ÷ 300 = 15.33 sq. ft. of Code Required Ventilation
Convert square feet of code-required ventilation to square inches
Square Feet of Code Required Ventilation
15.33
Calculation:
15.33 x 144 = 2207.52 sq. in of Code Required Ventilation
Select Material and Determine Vents Required
Material:
Composition shingle
Placement
Square Inches Provided:
(32 x 72) = 2304 sq. in
Square Inches Needed:
15.33 x 144 = 2207.52 sq. in
High / Exhaust Vents Needed:
16
Low / Intake Vents Needed:
16
Total Vents Needed:
32
Material:
Composition shingle
Product:
Low Profile - "Tapered"
Comp Roof Drawing
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