<SEC-DOCUMENT>0001193125-17-347487-index.html : 20171120
<SEC-HEADER>0001193125-17-347487.hdr.sgml : 20171120
<ACCEPTANCE-DATETIME>20171120073056
ACCESSION NUMBER:		0001193125-17-347487
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		5
CONFORMED PERIOD OF REPORT:	20171117
ITEM INFORMATION:		Entry into a Material Definitive Agreement
ITEM INFORMATION:		Regulation FD Disclosure
ITEM INFORMATION:		Financial Statements and Exhibits
FILED AS OF DATE:		20171120
DATE AS OF CHANGE:		20171120

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:		8-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-02116
		FILM NUMBER:		171212609

	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>8-K
<SEQUENCE>1
<FILENAME>d496142d8k.htm
<DESCRIPTION>FORM 8-K
<TEXT>
Document 1 - file: d496142d8k.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-2.1
<SEQUENCE>2
<FILENAME>d496142dex21.htm
<DESCRIPTION>EX-2.1
<TEXT>
Document 2 - file: d496142dex21.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>3
<FILENAME>d496142dex991.htm
<DESCRIPTION>EX-99.1
<TEXT>
Document 3 - file: d496142dex991.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>g496142snap0001.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: g496142snap0001.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>g496142snap0002.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 5 - file: g496142snap0002.jpg

</DOCUMENT>
</SEC-DOCUMENT>