Total Square Feet of Attic Space to be Ventilated
Total Square Feet of Attic Space to be Ventilated:
150'
Required Method:
1/300
Calculation:
150 ÷ 300 = 0.50 sq. ft. of Code Required Ventilation
Convert square feet of code-required ventilation to square inches
Square Feet of Code Required Ventilation:
0.50
Calculation:
0.50 x 144 = 72.00 sq. in of Code Required Ventilation
Square Inches Provided:
(2 x 78) = 156 sq. in
Square Inches Needed:
0.50 x 144 = 72.00 sq. in
Where do I install vents graphic
Vent Placement
High / Exhaust Vents Needed:
1
Low / Intake Vents Needed:
1
Total Vents Needed:
2
metal
Low Profile (Tapered)
NET FREE VENTILATION AREA
Tile Profile Low (Tapered)
Wire Mesh 78 sq. in
Figures based on independent evaluation reports.
Metal Roof Drawing
Questions?