That was a premature reply. I would have more of a problem , my soffits are 30" wide. So mine would require an inside and outside groove,plus a T groove in the middle. Which would look a bit retarded in my opinion.
JVC RS4810 projector Stewart Cima 115" 2.35 screen, ATI 523 and 528 amps
7 mirror imaged 2 way DIY monitors. All matched to within 1db. All parts matched, 1 SVS SB16 ultra subwoofer
Emotiva XMC-1 processor Marantz UD5007 Bluray player
Furman sequencer ran off of a double 50amp breaker,Furman power conditioner
All in a dedicated 15x22x8 foot dedicated home theater.