Sound Deadener: 67-69 Camaro Firebird FloorThis component is exceptionally heavy, featuring a thick tar cardboard core with a paper outer layer, closely matching original equipment specifications. It is precisely die cut to fit various sections of the floor, designed to be installed before the carpet is placed.. Super heavy product. Helps to insulate the road and vibration noise in travel. This is really heavy stuff for the size of product.. would weight probably about 6 bricks . if that makes