<SEC-DOCUMENT>0000912562-19-000020-index.html : 20190528 <SEC-HEADER>0000912562-19-000020.hdr.sgml : 20190528 <ACCEPTANCE-DATETIME>20190528150345 ACCESSION NUMBER: 0000912562-19-000020 CONFORMED SUBMISSION TYPE: SD PUBLIC DOCUMENT COUNT: 2 <RULE> <RULE-NAME>13p-1 <ITEM> <ITEM-NUMBER>1.01 <ITEM-PERIOD>20181231 </ITEM> <ITEM> <ITEM-NUMBER>1.02 <ITEM-PERIOD>20181231 </ITEM> </RULE> FILED AS OF DATE: 20190528 DATE AS OF CHANGE: 20190528 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: SD SEC ACT: 1934 Act SEC FILE NUMBER: 000-22462 FILM NUMBER: 19857377 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>SD <SEQUENCE>1 <FILENAME>a2018conflictminerals.htm <DESCRIPTION>SD <TEXT> Document 1 - file: a2018conflictminerals.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-1.01 <SEQUENCE>2 <FILENAME>ex101_123118conflictminera.htm <DESCRIPTION>EXHIBIT 1.01 <TEXT> Document 2 - file: ex101_123118conflictminera.htm
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