On your additional layers for the ceiling are you leaving a small gap between the wallboard and the ceiling boards each time? It's been difficult finding information regarding the second/third layers as the butt up each time to the wallboard.


LFR1100
VP180HP
EP600
M3 In Ceiling x 4
M5OW
M2 - Atmos rears
ADA1500.5
M3 Outdoor Speakers
ADA 1000.8