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Roof Ventilation Calculator
Roof Ventilation Calculator
Vents in the upper portion of the roof within 3 feet of the ridge
| Type | Ventilation Area (sq in) | Quantity | Action |
|---|---|---|---|
Vents in the lower one-third portion of the roof
| Type | Ventilation Area (sq in) | Quantity | Action |
|---|---|---|---|
Additional vents between the upper and lower portions of the roof
| Type | Ventilation Area (sq in) | Quantity | Action |
|---|---|---|---|
Results:
Total Upper Ventilation: 0 sq in
Total Lower Ventilation: 0 sq in
Total Additional Ventilation: 0 sq in
Total Provided Ventilation: 0 sq in
Minimum Required Ventilation: 0 sq in