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Contact Us
(800) 438-2920
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Calculator Tool
determine your roof ventilation needs
Roof Ventilation Calculator
Enter your attic area or length and width to determine your ventilation needs
Length
Width
- OR -
Area
ft/in
m/cm
1:300 Rule
1:150 Rule
Select
Ventilation
Product
Your Roof Requires:
Minimum
feet
of
Quarrix Ridge Vent:
Lineal
ft.
of Vent
Minimum
feet
of
Quarrix Multi Roll Vent:
Lineal
ft.
of Vent
Square
inches
at Ridge:
Sq.
in.
of NFA
Square
inches
at Soffit:
Sq.
in.
of NFA
Rigid Roll® Ridge Vent
Rigid Section™ Ridge Vent
Rigid Section™ Ridge Vent – High Profile
Multi Roll Multi-Purpose Vent
Aviator™ Ridge Vent
Flex Roll Ridge Vent