New Info: I examined the nailed connection and found that a 1X6 is notched into the edge of the stud for the joists to rest on. I would think this would help prevent any nail slippage. Again Any info will help.
Thanks
I have an 1890 historic building that I have to update the ceiling with 2 layers of 5/8" drywall. I have 2X12s' spanning 24 feet on 16" centers. The ceiling is covered with 1/2" toungue and groove pine, the floor above is covered with 3/4" oak flooring. I estimate the...