You forgot that a 2 by four isn't actually two by four inches .
It is actually 1.5 inches by 3.5 inches. The 2 by 4 references the rough cut lumber before planning.
You forgot that a 2 by four isn't actually two by four inches .
It is actually 1.5 inches by 3.5 inches. The 2 by 4 references the rough cut lumber before planning.