Hi, Fiberglass increases the effective "size" by a multiplier of approximately 1.6 so your 6 inch wall "acts" like about a ten inch one. Separate plates rather than one six inch one isolated from each other. Do it right the first time! At 05:52 PM 8/6/02 -0700, you wrote: >It's been my experience that fiberglass does nothing for sound insulation. >The offset studs are very good and then sound board with an air space >between it and the sheetrock. Use strips of sheetrock for your spacers >between the soundboard and the sheetrock. Addition of another layer of >soundboard WITH another air space will deaden the sound even more though >would be necessary only if one side of the wall is workable. You could put >the soundboard in the wall but usually the plates are 2 x 6 and the studs >are 2 x 4 so there isn't a straight line down the center of the wall. >Keith Regards, Don Rose, B.Mus., A.M.U.S., A.MUS., R.M.T., R.P.T. mailto:pianotuna@accesscomm.ca http://us.geocities.com/drpt1948/ 3004 Grant Rd. REGINA, SK S4S 5G7 306-352-3620 or 1-888-29t-uner
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