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Looking for 1-Hr Fire+50STC rating assembly
3

Looking for 1-Hr Fire+50STC rating assembly

Looking for 1-Hr Fire+50STC rating assembly

(OP)
My usual source (Gypsum Association Fire Resistance Manual)doesn't have a good "fit" as I am working with an existing kitchen floor that we can't carpet to get a 50 STC. Pouring a gypsum sub-floor (which works for a 50 STC) is impractical. Where can I check for alternate assemblies using soundboard or similar to meet the 50 STC and 1-Hr rating?

Thanks for the help.        

RE: Looking for 1-Hr Fire+50STC rating assembly

Consider using a sound mitigation membrane...there are many on the market.

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