Contact Us
(877) 324-0444
Search
Products
Composition Shingle Vents
Clay Tile Vents
Concrete Tile Vents
Natural Slate Vents
Synthetic Shake and Slate Vents
Wood Shake Vents
Universal Direct Deck
Fire&Ice® Vents
Fire&Ice® Profile Specific Vents for Concrete, Clay & Synthetic Tile Roofs
Fire&Ice® Composition Shingle, Synthetic Shake & Slate Vents
Gallery
Services
Pre-Construction Services
Attic Ventilation Analysis Request Form
Benefits of Attic Ventilation
O’Hagin University
AIA Approved Continuing Education
Resources
Approvals
Architectural Resources & Drawings
Building Codes
Find a Distributor
Installation Instructions
Limited Warranty
Technical Bulletins
Vent Calculator
Search
Back to Vent Calculator
Print
Address:
3558 PAR FOUR DR, EL CAJON, CA 92019
Total Vents:
4
Vent Placement Recommendations
High / Exhaust Vents Needed:
(Within 3' of Ridge Assembly)
2
Low / Intake Vents:
(Within Lower 1/3 of Attic)
2
Total Square Feet of Attic Space to be Ventilated
Total Square Feet of Attic Space to be Ventilated:
224.14
Code Required Method:
1/150 (EXCEPTION)
Calculation:
224.14 ÷ 150 = 1.49 sq. ft. of Code Required Ventilation
Convert square feet of code-required ventilation to square inches
Square Feet of Code Required Ventilation:
1.49
Calculation:
1.49 x 144 = 214.56 sq. in. of Code Required Ventilation
Square Inches Provided:
(4 x 72) = 288 sq. in.
Wood shake
Low Profile (Tapered)
NET FREE VENTILATION AREA
1/4" Noncombustible, Corrosion-Resistant Wire Mesh
72 sq. in.
Figures based on independent evaluation reports.