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    PUBLIC DOCUMENT COUNT:		34
    CONFORMED PERIOD OF REPORT:	20191231
    FILED AS OF DATE:		20200403
    DATE AS OF CHANGE:		20200403
    EFFECTIVENESS DATE:		20200403

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    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			GIBRALTAR INDUSTRIES, INC.
    		CENTRAL INDEX KEY:			0000912562
    		STANDARD INDUSTRIAL CLASSIFICATION:	STEEL WORKS, BLAST FURNACES & ROLLING & FINISHING MILLS [3310]
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    		STATE OF INCORPORATION:			DE
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    		SEC ACT:		1934 Act
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    		STREET 1:		3556 LAKE SHORE ROAD
    		STREET 2:		P O BOX 2028
    		CITY:			BUFFALO
    		STATE:			NY
    		ZIP:			14219-0228
    		BUSINESS PHONE:		7168266500

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    		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
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