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What type of wall system should I use in our music studio in the basement?
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Jeremy Rowe
November 23, 2023 - 12:30 pm

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I am going to build a 23’x32’x8′ music studio/home theater underneath our suspended garage. The area is concrete on 6 sides, (foundation walls 10″ thick on all 4 sides, 4″ thick concrete floor and 10″ thick concrete hollow core slabs above our heads (these are hollow core slabs, not concrete poured over metal decking)), it is literally like being inside a concrete cube. I am not worried as much about sound transfer as I am reverb coming back through the walls bouncing off of the concrete foundation walls. I am not able to hang drywall on both sides of the perimeter walls as they will be built close up against the foundation wall leaving an approximate 1″ air gap between the stud wall and foundation wall. I cannot find an STC rating or any info on a 1 sided drywalled wall anywhere. I am planning on using either 2×4 wood studs or 25 ga. 3 5/8″ metal studs, either one is fine with me. Insulating with an R-13 batt, and hanging 1/2″ or 5/8″ drywall on the interior side, also either one is fine with me. I don’t want to use any kind of mass vinyl product due to the idea of trapping moisture within the walls. I am looking for the highest possible STC rating but making sure I don’t have a problem with reverb or mold when this is all done. Maybe the 1″ air space between the foundation wall and stud wall will kill off the reverb, but I don’t know. Please help me with the best solution for this problem.

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Posts: 629
November 24, 2023 - 7:53 am
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All noise must be measured before the proper barrier can be designed and built. Every barrier design is frequency and amplitude dependent. Guessing with noise is both foolish and expensive since 90% of the time people guess wrong. When you build something that does not work, you will have to demo the build and start over. We can assist you with the noise measurement process along with the design build. Send us your contact information to info@acousticfields.com.

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