HT walls (concrete)

Discussion in 'Home Theater Projects' started by Rich_M_G, Jul 28, 2003.

  1. Rich_M_G

    Rich_M_G Auditioning

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    I'm working on designing the new home that we will be building in the future. The home is going to be a sub-terrain home, meaning that 3 of the 4 sides will be underground and the roof will also. 95% of the home will be made with reinforced concrete and then textured and paint on the inside. I want to add a theater room in the home and I was wondering how concrete does with sound and a theater room? The room is going to be about 15' wide and 28' long; I want to have a projector setup also. I know that I will probably need to coat the walls with something besides paint to break up the sound waves, but would I need to add anything else to them?

    Thanx!

    Rich
     
  2. Gerry S

    Gerry S Stunt Coordinator

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    Hello:

    I would guess that room would be very live. In my basement, I plan to frame a wall right up against the concrete, stuff it with insulation, and put up a couple of layers of drywall.

    Hopefully a plan like this will fit into the decor of your new home.

    -Gerry
     
  3. TimForman

    TimForman Supporting Actor

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    Definitely put in a frame wall. Some have gone as far as a double offset wall and isolation system. Like this . Contrary to some, you want walls that move and absorb some of the frequencies. Conveniently for us, wood frames with drywall work very well for this.
     
  4. Rich_M_G

    Rich_M_G Auditioning

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    Thank you for all of the replies. I thought that was probably the case. It kind of sucks to have to build a wall around the room, but it will make it a lot easier to run wires and such. So, would I also need to cover the ceiling with wood and sheetrock? Becuase it will also be concrete.

    Thanx!

    Rich
     
  5. TimForman

    TimForman Supporting Actor

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    For the ceiling you may want to consider a false ceiling with acoustic tile. Ceilings are notorious for unwanted reflections. At minimum would be acoustic panels.
     
  6. Rich_M_G

    Rich_M_G Auditioning

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    That's not a bad idea except that the ceiling will most likely only be 8' ceilings. So, dropping it anymore would cut down on the ceiling height. Do you think that would be a big deal or not?

    Rich
     
  7. John Karpiscak

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    You could consider using construction adhesive to attach acoustic panels (store bought or home made) right to the ceiling. You might also consider leaving a 3-4" channel (hidden by the ceiling) down the middle for cabling the ceiling/ rear of the room also.

    I think that's abut the best I can come up with for the moment.

    jk3
     
  8. TimForman

    TimForman Supporting Actor

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  9. Mike LS

    Mike LS Supporting Actor

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    If you suspend a ceiling, you only need about 2-4 inches minimum clearance to get the tiles in. That would put your ceiling over 7.5 feet, which wouldn't be too bad.
     
  10. Rich_M_G

    Rich_M_G Auditioning

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    Great, Thank you everyone for the good info. I think that a small 3 or 4" channel is not a bad idea, it would make running cables alot easier for the projector.

    Rich
     

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