Carpet mass backing
#3
Supreme Member
iTrader: (11)
Join Date: Sep 1999
Location: NJ
Posts: 4,345
Received 298 Likes
on
234 Posts
Car: 92 Firebird
Engine: 4.8 LR4
Transmission: T56
Axle/Gears: 3.45 9 Bolt
Re: Carpet mass backing
The mass backing is mass loaded vinyl. I get it from amazon, I get the 1lb per square foot stuff, it's pretty easy to work with and is very good at sound deadening.