Invention Grant
- Patent Title: High sound attenuation building panels
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Application No.: US16447621Application Date: 2019-06-20
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Publication No.: US11459752B2Publication Date: 2022-10-04
- Inventor: Peter J Oleske , Robert C. Garman , Jacob D. Peterson , Stephen G. Mearig
- Applicant: ARMSTRONG WORLD INDUSTRIES, INC.
- Applicant Address: US PA Lancaster
- Assignee: ARMSTRONG WORLD INDUSTRIES, INC.
- Current Assignee: ARMSTRONG WORLD INDUSTRIES, INC.
- Current Assignee Address: US PA Lancaster
- Agent Craig M. Sterner
- Main IPC: E04B9/00
- IPC: E04B9/00 ; E04B1/86 ; E04B1/84

Abstract:
Described herein is an acoustic ceiling panel comprising: a first air-permeable body comprising a first major surface opposite a second major surface and a side surface extending between the first and second major surfaces, the first body having an NRC value of at least 0.5 as measured between the first and second major surfaces of the first body; and an attenuation coating applied to the second major surface of the body and the side surface of the body, whereby the attenuation coating seals at least a portion of the second major surface and the side surface of the body.
Public/Granted literature
- US20200002941A1 HIGH SOUND ATTENUATION BUILDING PANELS Public/Granted day:2020-01-02
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