Heat/Sound Insulation

I sprayed the floor in the 74 with rubberized spray coat and the covered in this:

http://www.ebay.com/itm/Brand-New-S...ST36B-Sereo-/321836980498?hash=item4aeefa9912

Did floor, roof, doors and up to wheel hump. I really like it on the doors. Get a nice clunk.