    <SEC-DOCUMENT>0000715787-18-000018-index.html : 20180614
    <SEC-HEADER>0000715787-18-000018.hdr.sgml : 20180614
    <ACCEPTANCE-DATETIME>20180614065740
    ACCESSION NUMBER:		0000715787-18-000018
    CONFORMED SUBMISSION TYPE:	8-K
    PUBLIC DOCUMENT COUNT:		16
    CONFORMED PERIOD OF REPORT:	20180613
    ITEM INFORMATION:		Regulation FD Disclosure
    ITEM INFORMATION:		Financial Statements and Exhibits
    FILED AS OF DATE:		20180614
    DATE AS OF CHANGE:		20180614

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			INTERFACE INC
    		CENTRAL INDEX KEY:			0000715787
    		STANDARD INDUSTRIAL CLASSIFICATION:	CARPETS AND RUGS [2273]
    		IRS NUMBER:				581451243
    		STATE OF INCORPORATION:			GA
    		FISCAL YEAR END:			0101

    	FILING VALUES:
    		FORM TYPE:		8-K
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-33994
    		FILM NUMBER:		18898040

    	BUSINESS ADDRESS:
    		STREET 1:		2859 PACES FERRY RD
    		STREET 2:		STE 2000
    		CITY:			ATLANTA
    		STATE:			GA
    		ZIP:			30339
    		BUSINESS PHONE:		7704376800

    	MAIL ADDRESS:
    		STREET 1:		2859 PACES FERRY RD
    		STREET 2:		STE 2000
    		CITY:			ATLANTA
    		STATE:			2Q
    		ZIP:			30339

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	INTERFACE FLOORING SYSTEMS INC
    		DATE OF NAME CHANGE:	19870817
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>8-K
    <SEQUENCE>1
    <FILENAME>q28knorasystems.htm
    <TEXT>
    Document 1 - file: q28knorasystems.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.1
    <SEQUENCE>2
    <FILENAME>exhibit991q2.htm
    <TEXT>
    Document 2 - file: exhibit991q2.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.2
    <SEQUENCE>3
    <FILENAME>exhibit992q2.htm
    <TEXT>
    Document 3 - file: exhibit992q2.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>4
    <FILENAME>exhibit992q2slide1.jpg
    <TEXT>
    Document 4 - file: exhibit992q2slide1.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>5
    <FILENAME>exhibit992q2slide2.jpg
    <TEXT>
    Document 5 - file: exhibit992q2slide2.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>6
    <FILENAME>exhibit992q2slide3.jpg
    <TEXT>
    Document 6 - file: exhibit992q2slide3.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>7
    <FILENAME>exhibit992q2slide4.jpg
    <TEXT>
    Document 7 - file: exhibit992q2slide4.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>8
    <FILENAME>exhibit992q2slide5.jpg
    <TEXT>
    Document 8 - file: exhibit992q2slide5.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>9
    <FILENAME>exhibit992q2slide6.jpg
    <TEXT>
    Document 9 - file: exhibit992q2slide6.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>10
    <FILENAME>exhibit992q2slide7.jpg
    <TEXT>
    Document 10 - file: exhibit992q2slide7.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>11
    <FILENAME>exhibit992q2slide8.jpg
    <TEXT>
    Document 11 - file: exhibit992q2slide8.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>12
    <FILENAME>exhibit992q2slide9.jpg
    <TEXT>
    Document 12 - file: exhibit992q2slide9.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>13
    <FILENAME>exhibit992q2slide10.jpg
    <TEXT>
    Document 13 - file: exhibit992q2slide10.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>14
    <FILENAME>exhibit992q2slide11.jpg
    <TEXT>
    Document 14 - file: exhibit992q2slide11.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>15
    <FILENAME>exhibit992q2slide12.jpg
    <TEXT>
    Document 15 - file: exhibit992q2slide12.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>16
    <FILENAME>image0.jpg
    <TEXT>
    Document 16 - file: image0.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>