Roof Ventilation Calculator
Calculate proper ventilation requirements for your attic
Building Code Standard: 1 sq ft of ventilation per 150 sq ft of attic space (minimum)
Balanced System: 50% intake (soffit vents) and 50% exhaust (ridge/roof vents)
Calculate proper ventilation requirements for your attic
Building Code Standard: 1 sq ft of ventilation per 150 sq ft of attic space (minimum)
Balanced System: 50% intake (soffit vents) and 50% exhaust (ridge/roof vents)
