Improve sound dampening between rooms without the need for disruptive demolition with Gold Bond brand SoundBreak XP Retrofit from National Gypsum. The 5/16-inch sound-dampening gypsum board features a viscoelastic polymer adhered to the back paper. This high-density material is encased in heavy mold, mildew and moisture-resistant PURPLE face paper. It can be installed over an existing interior gypsum board wall where noise from adjacent spaces is a concern. It also provides a thinner wall assembly without sacrificing square footage.
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