National Gypsum Properties, LLC

Gold Bond Building Products, LLC

National Gympsum Properties, LLC

Todd D Broud

Brian G Randall

Richard P Weir

Michael N Blades

Stephen A Cusa

John E Yakowenko

Keith R O'Leary

John M Watt

Mauricio Quiros

Keith R O'leary

A sound damping wallboard and methods of forming a sound damping wallboard are disclosed. The sound damping wallboard comprises a gypsum layer with a gypsum surface having an encasing layer. The encasing layer is partially removed to expose the gypsum surface and form a gypsum surface portion and a first encasing layer portion on the gypsum layer. A sound damping layer is applied to the gypsum layer to cover at least part of the gypsum surface portion and the encasing layer portion.

Sound damping wallboard and method of forming a sound damping wallboard

A sound damping wallboard and methods of forming a sound damping wallboard are disclosed. The sound damping wallboard includes a gypsum layer having a first side with a first gypsum surface, a first encasing layer at least partially covering the first gypsum surface to form a first encasing layer portion, and a sound damping layer on the first side covering at least part of the first encasing layer portion.

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Charlotte, NC, United States of America

Todd D Broud