<SEC-DOCUMENT>0001193125-22-123780-index.html : 20220427
<SEC-HEADER>0001193125-22-123780.hdr.sgml : 20220427
<ACCEPTANCE-DATETIME>20220427164604
ACCESSION NUMBER:		0001193125-22-123780
CONFORMED SUBMISSION TYPE:	DEFA14A
PUBLIC DOCUMENT COUNT:		4
FILED AS OF DATE:		20220427
DATE AS OF CHANGE:		20220427

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ARMSTRONG WORLD INDUSTRIES INC
		CENTRAL INDEX KEY:			0000007431
		STANDARD INDUSTRIAL CLASSIFICATION:	PLASTICS PRODUCTS, NEC [3089]
		IRS NUMBER:				230366390
		STATE OF INCORPORATION:			PA
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		DEFA14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-02116
		FILM NUMBER:		22860497

	BUSINESS ADDRESS:	
		STREET 1:		2500 COLUMBIA AVE
		CITY:			LANCASTER
		STATE:			PA
		ZIP:			17603
		BUSINESS PHONE:		7173970611

	MAIL ADDRESS:	
		STREET 1:		2500 COLUMBIA AVE
		CITY:			LANCASTER
		STATE:			PA
		ZIP:			17603

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ARMSTRONG CORK CO
		DATE OF NAME CHANGE:	19800611
</SEC-HEADER>
<DOCUMENT>
<TYPE>DEFA14A
<SEQUENCE>1
<FILENAME>d280874ddefa14a.htm
<DESCRIPTION>DEFA14A
<TEXT>
Document 1 - file: d280874ddefa14a.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>g280874gra003a.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: g280874gra003a.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>g280874gra004.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: g280874gra004.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>g280874sp4.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: g280874sp4.jpg

</DOCUMENT>
</SEC-DOCUMENT>