United States Gypsum Company

Usg Interiors, Inc.

Andrew Schmidt

Frank Pospisil

Kumar C Natesaiyer

Salvatore Immordino

Mark Joseph

Erik Luhtala

Terry Rosenstiel

A method is provided for assembling a wall system to an existing frame for a wall, floor or roof, including: attaching a first dense, fiber-reinforced cement panel to the frame, the panel having an interior surface facing the frame, and an exterior surface; applying a layer of acoustic dampening material is applied to the exterior surface; and attaching a second dense, fiber-reinforced cement panel to at least one of the dampening material, the first panel, and the frame. A building panel is provided, including, a first panel of dense, fiber-reinforced cement; an internal layer of acoustic dampening material; and a second panel of dense, fiber-reinforced cement such that the dampening material is sandwiched between the first and second cement panels.

Constrained layer floor and wall damping systems using high-density reinforced cement panels

Growing community of inventors

Evanston, IL, United States of America

Andrew Schmidt