Sound-proofing existing walls

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  #1  
Old 06-30-01, 12:27 PM
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I've got a daylight rambler where the south side of my house abutts my next door neighbor's deck. I hear them talk, breathe and swear I can even smell their cigarette smoke from my bedroom (even with my windows closed). yuck.

I don't think there is any insulation in the south wall and am considering blown-in cellulose.

Question: Will blown-in cellulose be enough of a sound barrier? Any suggestions if not?

Thanks VERY much!
 
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  #2  
Old 07-02-01, 09:35 PM
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Location: Arlington, WA
Posts: 9,238
Blowing in cellulose would help, but there is a whole lot more to soundproofing than just the insulation. Look at your windows. They are probably as much of the problem, if not more, than the insulation. Then there is the construction of the walls. A solid siding (wood, stucco, etc.) attached directly to the studs, which in turn have 1/2" sheetrock attached directly to the other side. There is nothing there to attenuate the sound.

If it were me, I would start by retrofitting the windows with quality vinyls. That will do a lot to eliminate the problem, plus save you a sizable amount on your utility bill. Then go for the blown in cellulose. If the noise still exists at an unacceptable level, adding vinyl siding over ThermalWall insulation should put an end to it.
 
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