There is a "strong wall/weak wall" calculation in one of my books somewhere. Basically, you can calculate total stc by adding sq. area of each value at different weightings. Way too involved for me.

I almost passed out when she said that. Good thing she came around to what we had agreed upon earlier. I heard in my mind a toilet flushing and saw $ going down it. grin I think it was a reaction to how cut up the basement seems now. It should look larger once drywalled.

I have left a 1/2 inch gap between the double wall and floor joist above. Right now it is temp pinned with deck screws. Should I beef it up or leave it as is? Concern here is decoupling, but I dont want the wall to fail either.