Patent ID: 7946384

Claim:
An acoustical attenuating firewall assembly comprising: a first frame assembly having a first plate extending in a first direction and having a top surface, a second plate having a bottom surface spaced from the top surface and in registration therewith and a first plurality of elongate members spaced from one another and extending in a second direction transverse to the first direction and each elongate member having opposed ends, the elongate members extending between the top surface and the bottom surface with one end of each elongate member being attached to the first plate and the opposite end being attached to the second plate; and a preformed cement wall having a continuous outer planar surface extending along the second direction and being spaced from the first frame and attached to at least one of the elongate members with a vibration dampener to attach the preformed cement wall to the first frame to define the assembly, the vibration dampener being positioned on an anchor having a first face connected to the first frame and a second face connected to the wall and is fabricated from a material selected from polymers, natural rubbers and synthetic rubbers.