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post #1 of 6 Old 11-02-2012, 08:03 PM - Thread Starter
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This isn't HT specific, but I just bought a condo and I need to do some sound proofing. The floor and ceiling are 8" of concrete. I believe the walls are 8" of block. First up is the ceiling. I was thinking of doing 2x4 furring strips with clips and 25 gauge furring channel attached to them. I would then mount two sheets of 5/8" drywall with foam insulation. Fortunately, AllSteel is close by for the 25 gauge channel and it is only $3 for 12 foot pieces.

For the two walls between my neighbors, I was going to tear down the existing drywall that is attached to the concrete block via furring strips. I was then going to build a false wall and mount two sheets of 5/8" drywall with foam insulation. That was the best way to do it from what I gleaned from soundproofingcompany.com's test.

The floor is going to be carpet in the living room and bedroom. The bathroom, halls, dining room and kitchen will be tile. The carpeted area is going to be 1/2" carpet pad and maybe some other underlay (?). The tile is travertine with 1/2" cork underlay. The floor is probably my biggest question mark.

Any ideas on my potential layout? I was looking for the best bang for the buck, but I am willing to spend a little more to get better isolation. Thanks in advance.

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post #2 of 6 Old 11-02-2012, 08:27 PM
 
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There is nothing to soundproof. IT is concrete. IT is a bomb shelter. What more do you want.
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post #3 of 6 Old 11-03-2012, 07:52 PM - Thread Starter
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Ummm, ok. I wish that were the case, but unfortunately it isn't.

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post #4 of 6 Old 11-03-2012, 09:47 PM
 
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Only way sound is going to travel in your place, is the doors, windows, and duct work. Otherwise, you live in a bunker.
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post #5 of 6 Old 11-08-2012, 07:29 PM - Thread Starter
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Don't quit your day job.
http://www.stcratings.com/masonry.html

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post #6 of 6 Old 11-09-2012, 06:08 AM
 
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There is a difference between masonry or Concrete block, and a solid concrete wall. Now if they are hollow block, only thing you can do is add to the mass. If they are solid poured concrete walls, as I stated before, you are living in a bunker. Noise will transmit through common duct work if the building uses a hvac system that has chillers/heaters that are controlled from each unit, and through windows & doors.

Windows & Doors are the two biggest culprits. Only thing I can suggest is don't crank it up to MotorHead concert levels.
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