Roof Ventilation Calculator

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