Quote:
Originally Posted by Mattchu60
Also - on the fatmat - you can do many pieces. I try to butt them up to each other but I don't believe its super important. I believe the concept is that the sound deadening just adds mass to the sheet metal to absorb vibrations (sound) that travels through it.
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This is correct. The objective with sound deadner is to make the panel acoustically dead. Personally I prefer to everything, but realistically you can use strips to kill the noise transfer.
While sound deadner offers minimal thermal resistance, its still enough that I want it everywhere.