Armstrong World Industries, Inc.
SOUND ATTENUATING BUILDING PANELS

Last updated:

Abstract:

An acoustical ceiling panel including a first layer having a first major surface opposite a second major surface and a side surface extending therebetween, a second layer having a first major surface opposite a second major surface and a side surface extending therebetween, and a sealing layer having a first major surface opposite a second major surface and a side surface extending therebetween. The sealing layer may be positioned between the first major surface of the first layer and the second major surface of the second layer. The side surface of the sealing layer may extend beyond the side surface of the first layer and the side surface of the second layer.

Status:
Application
Type:

Utility

Filling date:

2 Feb 2021

Issue date:

12 Aug 2021