Sound deadening

[carotman]

I found this article to be really informative

http://www.sounddeadenershowdown.com/

It convinced me to get the SecondSkin Damplifier product. I'm repairing my Hatch's floor and needed something to replace the factory sound deadener.

http://www.secondskinaudio.com/vibration-mat/damplifier.php

Anyone used this?