Ventilation Calculator

Ventilation Calculator

Step 1 - Building Information

Enter Attic Width in Ft.

Enter Attic Length in Ft.

Attic Size in Sq. Ft. to Ventilate Calculated

Step 2 - Requirements

Required Exhaust Rule

Required Ventilation in Sq. In.

Required Ridge Exhaust - Sq. In.

Required Intake Sq. In. - All Soffits Combined

Ft Per Roll for Each Product

Size

NFA

Lineal Ft. Required

# of Rolls

Size

NFA

Lineal Ft. Required

# of Rolls

Size

NFA

Lineal Ft. Required

# of Rolls

Size

NFA

Lineal Ft. Required

# of Rolls

Size

NFA

Lineal Ft. Required

# of Rolls

Size

NFA

Lineal Ft. Required

# of Rolls

Size

NFA

# of Vents

Size

NFA

# of Vents

Size

NFA

# of Vents

Size

NFA

# of Vents

Size

NFA

# of Vents

Size

NFA

# of Vents

Size

NFA

# of Vents

Size

NFA

# of Vents

Size

NFA

# of Vents