CPC E04F 13/0867 (2013.01) [E04B 1/86 (2013.01); E04B 1/99 (2013.01); E04F 13/0875 (2013.01); E04F 13/14 (2013.01); E04B 2001/8461 (2013.01); E04F 2290/043 (2013.01)] | 14 Claims |
1. A sound damping wallboard system for a building structure comprising a first wallboard fastened to the building structure, comprising:
a second wallboard comprising:
a gypsum layer having a gypsum layer inner surface and a gypsum layer outer surface;
a sound damping layer disposed at the gypsum layer inner surface, and having a sound damping layer inner surface opposite the gypsum layer inner surface;
wherein the sound damping layer is formed by applying an adhesive composition comprising a dispersion including an acrylate copolymer and water at the gypsum layer inner surface;
a first encasing layer disposed at the gypsum layer outer surface;
a second encasing layer disposed at the sound damping layer inner surface, wherein the second encasing layer is formed of a material comprising paper, fiberglass, foil, a polymer, or a combination thereof; and
wherein the second wallboard is fastened to the first wallboard with the sound damping layer disposed between the gypsum layer and the first wallboard.
|