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Step 1 - Building Information

Building Information Dimensions
Enter Attic Width in Ft
Enter Attic Length in Ft
Attic Size in Sq. Ft. to Ventilate Calculated

Step 2 - Requirements 22
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Requirements Calculations
Required Exhaust Rule/Select from Drop Down
Required Exhaust in Sq Inches
Required Ridge Exhaust - Sq. Inches
Required Intake Sq. Inches- All Soffits Combined

Step 3 - Python Non-Woven Ridge Intake Part
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Python Non-Woven Ridge Intake Part # Size NFA Lineal Ft Required # Rolls
PY-3000-50N
PY-6000-50N

Step 4 - Python Non-Woven Ridge Exhaust Part
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Python Non-Woven Ridge Exhaust Part # Size NFA Lineal Ft Required # Rolls
PY-3480-20N
PY-3410-20N
PY-3475-20N
PY-3410-50N
PY-3475-50N

Step 5 - Python™ 2-IN-1 FlexFit™ Ridge Vent [Non Filtered]
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Python™ 2-IN-1 FlexFit™ Ridge Vent [Non Filtered] Size NFA Lineal Ft Required # Vents
Three in one vent

Step 6 - Python™ 2-IN-1 FlexFit™ Ridge Vent [Filtered]
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Python™ 2-IN-1 FlexFit™ Ridge Vent [Filtered] Size NFA Lineal Ft Required # Vents
Three in one vent

Step 7 - Python™ 65 SlantbackVent
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Python™ 65 SlantbackVent Size NFA # Vents

Step 8 - Python™ 150 Vent
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Python™ 150 Vent Size NFA # Vents