I'm replacing a couple windows in an 80 year old house. Not surprisingly, there is no house wrap or any kind of vapor barrier. It's 2x4 studs with 1/2" tongue and groove wood siding on the inside, ...
This would be in Charlotte, NC, Mecklenburg County. I vaguely remember hearing somewhere that rooms that are below grade are required to have a full size window in them or they can't be considered ...