My Architect and I have been finishing up my house plans and the last piece I'm trying to get locked down is my basement and theater area
My original intention was to have 9 feet in height in the basement from TOS to bottom of floor joist, which could leave me room to achieve an 8' ceiling. In the portion of the basement where I plan to build a theater I intended to do a recessed slab, recessing another 2', with the thought being I could do a room within a room build and still have a 10' ceiling height in the theater.
However structural framing is making life a little more difficult than I would like. Currently the design calls for columns to carry the load and would possibly interfere with the width I'd like to achieve in the theater.
I could use a little practical advice when it comes to the width, particularly when it comes to wall thickness. If I'm framing up against the poured concrete wall how much of an air space should I allow myself between the concrete and the stud framing. Also, on that wall, is 2x4 framing with insulation and 2 layers of drywall with GG sufficient for sound control, or should I do staggered framing with the insulation, drywall and GG?
The width of this wall impacts the overall width of the theater for me, as it was my desire to get at least 18 feet of width inside the theater itself, however I'm thinking I could be looking at 17' at best.
We're looking at beefing up the W12x14 beam in order to eliminate the columns all together, but it would be much thicker beam, which could end up effecting the height and entrance into the theater. Where I'd possibly have to raise the height of the basement overall and then bulkhead around that beam within the theater (Which I assume would create isolation difficulties).
I'd like to look into hiring Dennis' firm once to help design the theater itself, once I get the house plans finalized and get underway, but I want to make sure I leave myself as much room as possible before hand.