<SEC-DOCUMENT>0001209191-17-051743.txt : 20170906
<SEC-HEADER>0001209191-17-051743.hdr.sgml : 20170906
<ACCEPTANCE-DATETIME>20170906181818
ACCESSION NUMBER:		0001209191-17-051743
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20170901
FILED AS OF DATE:		20170906
DATE AS OF CHANGE:		20170906

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			ESSL GERALD J
		CENTRAL INDEX KEY:			0001214633

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-12984
		FILM NUMBER:		171072364

	MAIL ADDRESS:	
		STREET 1:		C/O EAGLE MATERIALS INC.
		STREET 2:		3811 TURTLE CREEK BLVD SUITE 1100
		CITY:			DALLAS
		STATE:			TX
		ZIP:			75219

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			EAGLE MATERIALS INC
		CENTRAL INDEX KEY:			0000918646
		STANDARD INDUSTRIAL CLASSIFICATION:	CEMENT, HYDRAULIC [3241]
		IRS NUMBER:				752520779
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0331

	BUSINESS ADDRESS:	
		STREET 1:		3811 TURTLE CREEK BLVD
		STREET 2:		SUITE 1100
		CITY:			DALLAS
		STATE:			TX
		ZIP:			75219
		BUSINESS PHONE:		214-432-2000

	MAIL ADDRESS:	
		STREET 1:		3811 TURTLE CREEK BLVD
		STREET 2:		SUITE 1100
		CITY:			DALLAS
		STATE:			TX
		ZIP:			75219

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	CENTEX CONSTRUCTION PRODUCTS INC
		DATE OF NAME CHANGE:	19940204
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc4.xml
<DESCRIPTION>FORM 4 SUBMISSION
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2017-09-01</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000918646</issuerCik>
        <issuerName>EAGLE MATERIALS INC</issuerName>
        <issuerTradingSymbol>EXP</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001214633</rptOwnerCik>
            <rptOwnerName>ESSL GERALD J</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>3811 TURTLE CREEK BLVD.</rptOwnerStreet1>
            <rptOwnerStreet2>STE #1100</rptOwnerStreet2>
            <rptOwnerCity>DALLAS</rptOwnerCity>
            <rptOwnerState>TX</rptOwnerState>
            <rptOwnerZipCode>75219</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Executive Vice President</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2017-09-05</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>5479</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>100.322</value>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>34380</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2017-09-01</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>2000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>97.2009</value>
                    <footnoteId id="F2"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>3000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By trust</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">This price represents the weighted average purchase price for multiple transactions reported on this line.  The prices of the transactions reported on this line range from $100.23 to $100.55.  Upon request by the SEC staff, the issuer or a security holder of the issuer, the reporting person will undertake to provide full information regarding the number of shares and prices at which transactions were effected.</footnote>
        <footnote id="F2">This price represents the weighted average purchase price for multiple transactions reported on this line. The prices of the transactions reported on this line range from $97.169 to $97.2266. Upon request by the SEC staff, the issuer or a security holder of the issuer, the reporting person will undertake to provide full information regarding the number of shares and prices at which transactions were effected.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Scott M. Wilson as Attorney-in-Fact for Gerald J. Essl</signatureName>
        <signatureDate>2017-09-06</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
