Parallel 2x4 partition walls provide acoustic separation between rooms. To reduce sound transmission to the living space above, the author dropped separate 2x10 ceiling joists below the plane of the I-joist floor system.
Parallel 2x4 partition walls provide acoustic separation between rooms. To reduce sound transmission to the living space above, the author dropped separate 2x10 ceiling joists below the plane of the I-joist floor system.

I became interested in soundproofing at about the same time that my two teenage sons got into rock ’n’ roll. Heavy-metal music blasted from their bedrooms, and whenever their rock band rehearsed in the basement we could hear drums reverberate throughout the house. To turn the volume down, I included a basement practice room when we built our new house. Now when the band rehearses, we can still hear them — but it’s not loud enough to bother us.

To build the practice room, I used many of the same sound-attenuation products and construction techniques used to build professional recording studios. Since then, I’ve adopted these methods to silence laundry rooms, isolate attic furnaces, and make bedrooms quieter in the homes my company builds.

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