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#1
10/8/09, 8:19 PM
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What is this on the Ductwork?
Does anyone have any idea what these black stickers are on the ductwork? They felt slightly tacky to the touch. I thought they may have been covering holes, but they were not. They were on all of the ductwork, and I have never seen this before. Any ideas would be appreciated. Thanks in advance.
   
Ian Niquette Square One Home Inspection Markesan WI 53946 www.squareonehomeinspection.com Active Rain Network INACHI Awards Portal Want To Exchange Links? What we've got here is......failure......to communicate.....
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#2
10/8/09, 8:22 PM
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Re: What is this on the Ductwork?
Maybe cross breaking wasn't enough and the are to help keep the expansion/contaction noise down. Never seen them before really...
InterNachi Awards Portal: http://co.nachi.org/inachiawards/ ____________________________________________ "An Education, not just an Inspection" Larry Kage, CMI Lake Ann (Traverse City), Michigan 49650 231 929 3525 Professional Inspector serving the Traverse City, Michigan area and beyond.
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#3
10/8/09, 8:48 PM
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Re: What is this on the Ductwork?
Larry's got it.
It damps out the duct pop on blower start up and shut down. http://www.acousticalsurfaces.com/hv..._vmax.htm?d=26 He who knows nothing is closer to the truth than he whose mind is filled with falsehoods and errors - Thomas Jefferson - Founding Father
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#4
10/8/09, 8:57 PM
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Re: What is this on the Ductwork?
Never seen it either, but that is what came to mind first too.
Possibly a thinner sheetmetal than normally used and the duct was drumming with the velocity of the air. 
LEED Green Associates InachiAwardsPortal: Inachi US Member of the Year Award 2009 
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#5
10/8/09, 9:50 PM
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Re: What is this on the Ductwork?
Thanks guys. Interesting, I had never seen this set up before. Looks like a good product. Mike, how do you always seem to come up with the magic google location?
Ian Niquette Square One Home Inspection Markesan WI 53946 www.squareonehomeinspection.com Active Rain Network INACHI Awards Portal Want To Exchange Links? What we've got here is......failure......to communicate.....
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#6
10/9/09, 8:38 AM
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Re: What is this on the Ductwork?
Is that cheaper than dyna mat?
Bungalows to Mansions Professional Inspection Services, LLC dba 1st Inspection Services Bruce M. Graham III Gainesville, FL 32608 352 871 8989 Florida Licensed Home Inspector #HI10 NACHI05091592 ICC 5268478 www.1stinspectionsfl.com www.bungalowstomansions.com
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