<SEC-DOCUMENT>0000912562-18-000028-index.html : 20180615
<SEC-HEADER>0000912562-18-000028.hdr.sgml : 20180615
<ACCEPTANCE-DATETIME>20180615141823
ACCESSION NUMBER:		0000912562-18-000028
CONFORMED SUBMISSION TYPE:	11-K
PUBLIC DOCUMENT COUNT:		4
CONFORMED PERIOD OF REPORT:	20171231
FILED AS OF DATE:		20180615
DATE AS OF CHANGE:		20180615

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			GIBRALTAR INDUSTRIES, INC.
		CENTRAL INDEX KEY:			0000912562
		STANDARD INDUSTRIAL CLASSIFICATION:	STEEL WORKS, BLAST FURNACES & ROLLING & FINISHING MILLS [3310]
		IRS NUMBER:				161445150
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		11-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-22462
		FILM NUMBER:		18901855

	BUSINESS ADDRESS:	
		STREET 1:		3556 LAKE SHORE ROAD
		STREET 2:		P O BOX 2028
		CITY:			BUFFALO
		STATE:			NY
		ZIP:			14219-0228
		BUSINESS PHONE:		7168266500

	MAIL ADDRESS:	
		STREET 1:		GATEWAY EXECUTIVE PARK
		STREET 2:		3556 LAKE SHORE ROAD PO BOX 2028
		CITY:			BUFFALO
		STATE:			NY
		ZIP:			14219-0228

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	GIBRALTAR STEEL CORP
		DATE OF NAME CHANGE:	19930924
</SEC-HEADER>
<DOCUMENT>
<TYPE>11-K
<SEQUENCE>1
<FILENAME>a201711-k.htm
<DESCRIPTION>11-K
<TEXT>
Document 1 - file: a201711-k.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.1
<SEQUENCE>2
<FILENAME>ex-231.htm
<DESCRIPTION>EXHIBIT 23.1
<TEXT>
Document 2 - file: ex-231.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>auditorconsentsignature.jpg
<DESCRIPTION>IMAGE1
<TEXT>
Document 3 - file: auditorconsentsignature.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>auditorsignature.jpg
<DESCRIPTION>IMAGE2
<TEXT>
Document 4 - file: auditorsignature.jpg

</DOCUMENT>
</SEC-DOCUMENT>