2015 > 2018 IRC Attic VentilationThe minimum amount of attic ventilation essentially doubled between the 2015 and 2018 IRC, and the location for lower vents was changed. Here's a detailed video explainer and a simple math shortcut to get the ventilation right every time.
The minimum amount of attic ventilation essentially doubled between the 2015 and 2018 IRC, and the location for lower vents was changed. Here's a detailed video explainer and a simple math shortcut to get the ventilation right every time.
