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:
3280 Donna Drive, Carlsbad - non fire zone
Total Vents:
36
Vent Placement Recommendations
High / Exhaust Vents Needed:
(Within 3' of Ridge Assembly)
18
Low / Intake Vents:
(Within Lower 1/3 of Attic)
18
Total Square Feet of Attic Space to be Ventilated
Total Square Feet of Attic Space to be Ventilated:
2,700
Code Required Method:
1/150 (EXCEPTION)
Calculation:
2,700 ÷ 150 = 18 sq. ft. of Code Required Ventilation
Convert square feet of code-required ventilation to square inches
Square Feet of Code Required Ventilation:
18
Calculation:
18 x 144 = 2,592 sq. in. of Code Required Ventilation
Square Inches Provided:
(36 x 72) = 2,592 sq. in.
Composition shingle
Low Profile (Tapered)
NET FREE VENTILATION AREA
1/4" Noncombustible, Corrosion-Resistant Wire Mesh
72 sq. in.
Figures based on independent evaluation reports.