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Products
Ventilation
Metal Roofs
LP2 Ridge Vent
FlexPro™ Profile Venting Material
Flex-O-Vent™ Universal Venting Material
Shingle Roofs
Python Rolled Ridge Vent
3-in-1 FlexFit™ Vent
Weather-Tite™ 3-in-1 FlexFit™ Vent
65 Slant Back Vent
150 Round Vent
50 Square Vent
Shingle Gooseneck Vent
Shingle Off Ridge Vent
Weather-Tite™ 60 Square Vent
Tile Roofs
Tile Gooseneck Vent
Tile Off Ridge Vent
Universal Tile Ridge Vent
Closure
Closure-Foam™
AngleKut™
Flashing
Universal RoofBoot™ Round Flexible Sleeve
Standard RoofBoot™ Square Flexible Sleeve
Specialty Boots
Box Gutter Expansion Joint
Valley Cap
Sealants
Mastix™
X-Seal™
Weather-Tite™ Metal Roof Sealant
Underlayment
HydraShell™ Premium
HydraShell™ Supreme
HydraShell™ MAX
HydraShell™ Premium SA
HydraShell™ Supreme SA
Accessories
RE2®
Resources
Ventilation Calculator
Why Should You Ventilate?
Roofing FAQ
Technical Tools
Installation Questions
About Us
Who We Are
Lab Testing and Certification
Credit and Freight
Personnel and Contacts
Careers
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Products
Ventilation
Metal Roofs
LP2 Ridge Vent
FlexPro™ Profile Venting Material
Flex-O-Vent™ Universal Venting Material
Shingle Roofs
Python Rolled Ridge Vent
3-in-1 FlexFit™ Vent
Weather-Tite™ 3-in-1 FlexFit™ Vent
65 Slant Back Vent
150 Round Vent
50 Square Vent
Shingle Gooseneck Vent
Shingle Off Ridge Vent
Weather-Tite™ 60 Square Vent
Tile Roofs
Tile Gooseneck Vent
Tile Off Ridge Vent
Universal Tile Ridge Vent
Closure
Closure-Foam™
AngleKut™
Flashing
Universal RoofBoot™ Round Flexible Sleeve
Standard RoofBoot™ Square Flexible Sleeve
Specialty Boots
Box Gutter Expansion Joint
Valley Cap
Sealants
Mastix™
X-Seal™
Weather-Tite™ Metal Roof Sealant
Underlayment
HydraShell™ Premium
HydraShell™ Supreme
HydraShell™ MAX
HydraShell™ Premium SA
HydraShell™ Supreme SA
Accessories
RE2®
Resources
Ventilation Calculator
Why Should You Ventilate?
Roofing FAQ
Technical Tools
Installation Questions
About Us
Who We Are
Lab Testing and Certification
Credit and Freight
Personnel and Contacts
Careers
Find A Distributor
Catalog
Search
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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
NFA 1/300
NFA 1/150
Required Ventilation in Sq. In.
Required Ridge Exhaust - Sq. In.
Required Intake Sq. In. - All Soffits Combined
Python Rolled Ridge Vent (Multiple Sizes)
Ft Per Roll for Each Product
20
50
PY-3000-50N
Size
NFA
Lineal Ft. Required
# of Rolls
PY-6000-50N
Size
NFA
Lineal Ft. Required
# of Rolls
PY-3480-20N
Size
NFA
Lineal Ft. Required
# of Rolls
PY-3410-20N
Size
NFA
Lineal Ft. Required
# of Rolls
PY-3475-20N
Size
NFA
Lineal Ft. Required
# of Rolls
PY-3410-50N
Size
NFA
Lineal Ft. Required
# of Rolls
FlexFit 3-in-1
Size
NFA
# of Vents
Weather-Tite FlexFit 3-in-1
Size
NFA
# of Vents
150 Round Vent
Size
NFA
# of Vents
65 Slant Back Vent
Size
NFA
# of Vents
Weather-Tite 60 Square Vent
Size
NFA
# of Vents
50 Square Vent
Size
NFA
# of Vents
Universal Tile Ridge Vent
Size
NFA
# of Vents
Shingle Off Ridge Vent
Size
NFA
# of Vents
Tile Off Ridge Vent
Size
NFA
# of Vents
Products
Ventilation
Metal Roofs
LP2 Ridge Vent
FlexPro™ Profile Venting Material
Flex-O-Vent™ Universal Venting Material
Shingle Roofs
Python Rolled Ridge Vent
3-in-1 FlexFit™ Vent
Weather-Tite™ 3-in-1 FlexFit™ Vent
65 Slant Back Vent
150 Round Vent
50 Square Vent
Shingle Gooseneck Vent
Shingle Off Ridge Vent
Weather-Tite™ 60 Square Vent
Tile Roofs
Tile Gooseneck Vent
Tile Off Ridge Vent
Universal Tile Ridge Vent
Closure
Closure-Foam™
AngleKut™
Flashing
Universal RoofBoot™ Round Flexible Sleeve
Standard RoofBoot™ Square Flexible Sleeve
Specialty Boots
Box Gutter Expansion Joint
Valley Cap
Sealants
Mastix™
X-Seal™
Weather-Tite™ Metal Roof Sealant
Underlayment
HydraShell™ Premium
HydraShell™ Supreme
HydraShell™ MAX
HydraShell™ Premium SA
HydraShell™ Supreme SA
Accessories
RE2®
Resources
Ventilation Calculator
Why Should You Ventilate?
Roofing FAQ
Technical Tools
Installation Questions
About Us
Who We Are
Lab Testing and Certification
Credit and Freight
Personnel and Contacts
Careers
Find A Distributor
Catalog
Search
Search
