<SEC-DOCUMENT>0001127602-24-022591.txt : 20240820
<SEC-HEADER>0001127602-24-022591.hdr.sgml : 20240820
<ACCEPTANCE-DATETIME>20240820141515
ACCESSION NUMBER:		0001127602-24-022591
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20240819
FILED AS OF DATE:		20240820
DATE AS OF CHANGE:		20240820

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Lovechio Joseph A
		CENTRAL INDEX KEY:			0001685928
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-22462
		FILM NUMBER:		241224446

	MAIL ADDRESS:	
		STREET 1:		2000 N M-63
		CITY:			BENTON HARBOR
		STATE:			MI
		ZIP:			49022

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			GIBRALTAR INDUSTRIES, INC.
		CENTRAL INDEX KEY:			0000912562
		STANDARD INDUSTRIAL CLASSIFICATION:	STEEL WORKS, BLAST FURNACES & ROLLING & FINISHING MILLS [3310]
		ORGANIZATION NAME:           	04 Manufacturing
		IRS NUMBER:				161445150
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	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>4
<SEQUENCE>1
<FILENAME>form4.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0508</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2024-08-19</periodOfReport>

    <issuer>
        <issuerCik>0000912562</issuerCik>
        <issuerName>GIBRALTAR INDUSTRIES, INC.</issuerName>
        <issuerTradingSymbol>ROCK</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001685928</rptOwnerCik>
            <rptOwnerName>Lovechio Joseph A</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>3556 LAKE SHORE ROAD</rptOwnerStreet1>
            <rptOwnerStreet2>P.O. BOX 2028</rptOwnerStreet2>
            <rptOwnerCity>BUFFALO</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>14219-0228</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isOfficer>1</isOfficer>
            <officerTitle>VP and CFO</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>0</aff10b5One>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2024-08-19</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>727</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>727</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2024-08-19</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>3790</value>
                    <footnoteId id="F2"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>4517</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">The shares represent Restricted Stock Units issued under the Registrant's Amended and Restated 2018 Equity Incentive Plan that have been granted to the Reporting Person. The shares vest in four portions: 25% on August 19, 2025, and on each August 19 thereafter through August 19, 2028. The Reporting Person was also granted Performance Stock Units, which will be reported on a subsequent Form 4 upon satisfaction of the performance criteria.</footnote>
        <footnote id="F2">The shares represent special restricted stock units issued under the Registrant's Amended and Restated 2018 Equity Incentive Plan that have been granted to the Reporting Person. The shares vest in three portions: 33.33% on August 19, 2025, and on each August 19 thereafter through August 19, 2027.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Jeffrey J. Watorek, Attorney-in-Fact for Joseph A. Lovechio</signatureName>
        <signatureDate>2024-08-20</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
