Acoustical and firewall barrier assembly

摘要

An retrofitted acoustical firewall attenuating assembly 10 comprises a frame assembly 12 having a first plate 22 extending in a first direction and having a top surface, a second plate 24 having a bottom surface spaced away from the top surface, a number of wall studs 26 spaced from one another and extending between the first plate 22 and the second plate 24, and a cement wall 16 positioned between the frame 12 and the structure and attached to the frame assembly 12 by a vibration dampener 15 made from a material selected from polymers, natural rubbers and synthetic rubbers.