QuietRock soundproofing gypsum board

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Author Message David Axt, AIA, CCS, CSI Senior Member Username: david_axt Post Number: 1032 Registered: 03-2002 Posted on Friday, February 13, 2009 - 12:54 pm:    What has been your experience with QuietRock soundproofing gypsum board products? Jerome J. Lazar, RA, CCS, CSI, SCIP Senior Member Username: lazarcitec Post Number: 644 Registered: 05-2003 Posted on Friday, February 13, 2009 - 03:11 pm:    excellent product, SOME GC'S CLAIM IT IS EXPENSIVE BUT FOR TOTAL ASSEMBLY COST IT IS NOT, WHEN IT HAS BEEN INSTALLED, I'VE HEARD OF NO PROBLEMS WITH THE INSTALLATION. Here is a good article from W&C, that compares Quietrock to other soundboard products: http://www.wconline.com/Articles/Article_Rotation/BNP_GUID_9-5-2006_A_10000000000000139418 Ron Beard CCS Senior Member Username: rm_beard_ccs Post Number: 291 Registered: 10-2002 Posted on Friday, February 13, 2009 - 05:12 pm:    How does QuietRock compare to regular GWB on a resilient furring channel? Jerome J. Lazar, RA, CCS, CSI, SCIP Senior Member Username: lazarcitec Post Number: 645 Registered: 05-2003 Posted on Friday, February 13, 2009 - 05:21 pm:    Ron, read the article in W&C, why would u use a resilient channel - kind of overkill isn't it...maybe ask the manufacturer directly. Steven Hauk Senior Member Username: sh1net Post Number: 22 Registered: 12-2004 Posted on Friday, March 13, 2009 - 10:25 pm:    With the UL U465 assembly and added SoundBreak and insulation, the National Gypsum literature says you have an STC rating of 57. Adding resilient channels and insulation to the U419 or u451 assembly the USG literature shows an STC rating of 54. Anne Whitacre, FCSI CCS Senior Member Username: awhitacre Post Number: 863 Registered: 07-2002 Posted on Sunday, March 15, 2009 - 08:48 pm:    remember, though, that a lot of sound travels through what is simply bad installation -- you still need to seal at top and bottom tracks; do not do electrical boxes back to back and guard against other penetrations that can transmit sound, including door frames. I had thought this product didn't come in a fire rated version, but apparently that information is outdated now.. John Bunzick, CCS, CCCA, LEED AP Senior Member Username: bunzick Post Number: 1024 Registered: 03-2002 Posted on Monday, March 16, 2009 - 08:40 am:    A curious thing about tests using resilient channels: none I've seen are newer than about thirty years old. Is the design of the resilient channel product used in those tests still even available? No one seems to know. Also, resilient channel is so easy to install wrong (misplaced screws keep it from being resilient) that it probably fails to work as planned much of the time. I try to avoid its use.