On Sep 3, 12:04*am, wrote:
...
You want R60 in the "atic" or ceiling if you can.

Well, with ~4" of fiberglass uncompressed between studs I have ~R16
right now so adding seems good. My thought is to roll out 6"
fiberglass horizontally (that is, parallel to the floor), stapling the
top edge to the studs.