architects' needs and an answer, please

Oct 21, 2005 6 Replies
R

I'm adding on to an existing. My wife's master bedroom is going to be next to my music studio. The addition consists of a floor with a raised foundation of 18" space in the living quarters. The music studio will be on a 6" slab. I intend on building a studio within the shell of the addition to accomadate proper sound proofing needs. I wish to use the concrete floor in the studio rather than carpet or wood, with metal studs to create the room with-in a room.



Question: Being the living quarters is on a raised foundation and the studio on a 6' slab, will sound be transmitted to my wife's master?



Rick Meadows Bass Players Drink Bass and Homebrew



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N

This would be a better question for alt.sci.physics.acoustics.

Sound will always be transmitted. The issue is how much.

Your description is not totally clear. You do not want a continuous concrete slab floor between the two adjacent spaces. You will need to either break the floor slab or float a floor in at least one of the spaces.

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P

Sounds like a question better posed to your shrink but my professional and expert opinion is... only when she's in a bad mood... or a good mood depending on how you read the question ;^)

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C

LOL

I've also heard to optimize sound seperation, one should use a sonic break on the order of at least one U.S. State. The larger states out west have a better sound seperation than do some of the smaller northeastern ones. ;-)

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P

I hope you use that 4 foot break as a hallway or something!

A standard acoustic wall would have sufficed. An acoustic wall is an 8 inch thick wall using 2X4's set in a staggered pattern that is insulated in a zigzag between the studs. The studs for each face of wall are at 24"OC -

12"OC on one side 12" OC on the other side- forming a continuous insulating buffer. Also, you sandwich the sill and top plates to the floor/ceiling with a foam rubber seal so as to absorb vibrations. If you really need more sound insulation you drop a ceiling and raise the floor making sure that they are fastened to the inside facing wall studs and insulate those spaces to continue the insulating buffer zone.
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K

"Pierre Levesque, AIA" wrote in news:Pl86f.47$%A1.18@trndny01:

Good stuff. Seems like this info would also be applicable to a workshop.

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