07-13-2013, 08:56 PM
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#11 (permalink)
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A True Z Fanatic
Join Date: Apr 2013
Location: Northern VA
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Quote:
Originally Posted by RonRizz
I Agree 100% after all, its basically about adding mass.
H20 Doc, believe me when I tell you that more is better in this case. although not the most scientific of studies, In my prior car, I tested dbs of road noise first with no mat, again with a single layer, and finally with 2 layers. The difference was great from 0 to 1. Although not that significant from 1 to 2, it definitely improved.
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You might well be right, but my point is more about whether or not you need edge to edge coverage versus strategically placed material. If you are trying to keep a sheet of metal from flexing or vibrating (and thereby transmitting sound) then you might not need material near the edges (think about striking a drum in the middle versus the edge). Greater thickness will certainly increase the dampening, but I'm not sure you need material where the sheet metal is already pretty stiff.
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