Hello,
I am building a 2 room studio. Currently, the live room is 18'x13' with sloping 8'6" to 11' peak. The double walls are 4" apart using Roxul in both walls. The control room is 20'x20' (may change to 20'x14') with 11' ceilings. I am using 2 layers of 5/8" with green Glue throughout both...