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    Soundproofing an existing Fire rated wall

    I am evaluating the possibilities for sound proofing an existing 1-hour fire-wall without impacting the fire rating. What's you best suggestion for preventing the airborne noise from going through the firewall to the neighboring tenants? Thanks
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    Soundproof over existing 1-hour fire wall

    Hello, I am evaluating the best way to add sound proofing material to an existing 1-hour fire wall. Two existing firewalls with about 2,000 sf need to be soundproofed from neighboring tenants. Adding soundboards or green glue are options, though there are different types and cost. What's your...