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Address:
210 Classic Ct. Rohnert Park, CA 94928
Total Vents (Exhaust & Intake):
116
“Where do I install the vents?”
Vent Placement Recommendations
High / Exhaust — Off-Ridge Vents:
(Install within 3' of Ridge Assembly)
(Min. 40% / Max. 50%)
58
Low / Intake — Off-Ridge Vents:
(Install within Lower 1/3 of Attic)
(Min. 50% / Max. 60%)
58
Metal Roof Drawing

Roofing Material Manufacturer Warranties Require the Compliance with Building Code Attic Ventilation Formulas

Total Square Feet of Attic Space to be Ventilated
Total Square Feet of Attic Space to be Ventilated:
8,368
Code Required Method:
1/150 (STANDARD)
Calculation:
8,368 ÷ 150 = 55.79 sq. ft. of Code Required Ventilation
Convert square feet of code-required ventilation to square inches
Square Feet of Code Required Ventilation:
55.79
Calculation:
55.79 x 144 = 8,033.76 sq. in. of Code Required Ventilation
Square Inches Provided:
Off-Ridge (116 x 70.20) = 8,143.20 sq. in.
Ventilation Solutions for All Roofs and Climate Conditions
Standing Seam metal Off‑Ridge Vents
Low Profile (Tapered)
NET FREE VENTILATION AREA (Figures based on independent evaluation reports)
Fire & Ice 26 Gauge G90 Galvanized Steel; 1/8″ noncombustible corrosion‑resistant wire mesh AND patented stainless steel fine/flexible wire filament.
1/8" Noncombustible, Corrosion‑Resistant Wire Mesh
(Wildland Urban Interface Compliant)
Low Profile (Tapered) vent
Low Profile (Tapered)
High / Exhaust 50%
Low / Intake 50%
70.20 sq. in. per vent
*Brands and Trademarks may vary by region.
Questions?
Approvals and Recognitions QR code Approvals & Recognitions
Building codes QR code Building Codes
WUI compliance bulletin QR code WUI Compliance