公开(公告)号：US20220319486A1

公开(公告)日：2022-10-06

申请号：US17709827

申请日：2022-03-31

Applicant: ARMSTRONG WORLD INDUSTRIES, INC.

Inventor： Peter J. OLESKE ,  John FELEGI, Jr.

IPC: G10K11/162 ,  E04B9/04

Abstract: Described herein is an acoustic building panel having a first major exposed surface opposite a second major exposed surface and a side exposed surface extending there between, the acoustic ceiling panel comprising: a body comprising a first major surface opposite a second major surface and a side surface extending between the first and second major surfaces, the body being air-permeable; and an attenuation coating applied to the first major surface of the body; wherein a first portion of the second major exposed surface of the acoustic building panel is formed by the first major surface of the body and a second portion of the second major exposed surface of the acoustic building panel is formed by the attenuation coating.