<SEC-DOCUMENT>0001209191-20-011581.txt : 20200221
<SEC-HEADER>0001209191-20-011581.hdr.sgml : 20200221
<ACCEPTANCE-DATETIME>20200221164740
ACCESSION NUMBER:		0001209191-20-011581
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20200219
FILED AS OF DATE:		20200221
DATE AS OF CHANGE:		20200221

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Ratajczak Matthew T
		CENTRAL INDEX KEY:			0001546776

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-14187
		FILM NUMBER:		20640752

	MAIL ADDRESS:	
		STREET 1:		2628 PEARL ROAD
		STREET 2:		P.O. BOX 777
		CITY:			MEDINA
		STATE:			OH
		ZIP:			44258

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			RPM INTERNATIONAL INC/DE/
		CENTRAL INDEX KEY:			0000110621
		STANDARD INDUSTRIAL CLASSIFICATION:	PAINTS, VARNISHES, LACQUERS, ENAMELS & ALLIED PRODUCTS [2851]
		IRS NUMBER:				020642224
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0531

	BUSINESS ADDRESS:	
		STREET 1:		2628 PEARL RD
		STREET 2:		P O BOX 777
		CITY:			MEDINA
		STATE:			OH
		ZIP:			44258
		BUSINESS PHONE:		3302735090

	MAIL ADDRESS:	
		STREET 1:		2628 PEARL RD
		STREET 2:		P O BOX 777
		CITY:			MEDINA
		STATE:			OH
		ZIP:			44258

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	RPM INTERNATIONAL INC/OH/
		DATE OF NAME CHANGE:	20021015

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	RPM INC/OH/
		DATE OF NAME CHANGE:	19920703

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	REPUBLIC POWDERED METALS INC
		DATE OF NAME CHANGE:	19711027
</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>2020-02-19</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000110621</issuerCik>
        <issuerName>RPM INTERNATIONAL INC/DE/</issuerName>
        <issuerTradingSymbol>RPM</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001546776</rptOwnerCik>
            <rptOwnerName>Ratajczak Matthew T</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>2628 PEARL ROAD</rptOwnerStreet1>
            <rptOwnerStreet2>P.O. BOX 777</rptOwnerStreet2>
            <rptOwnerCity>MEDINA</rptOwnerCity>
            <rptOwnerState>OH</rptOwnerState>
            <rptOwnerZipCode>44258</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>VP-Global Tax and Treasurer</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock, $0.01 par value</value>
            </securityTitle>
            <transactionDate>
                <value>2020-02-19</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>696</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>74.77</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>43596</value>
                    <footnoteId id="F1"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Includes an aggregate of 632 shares of Common Stock issued pursuant to the 1997 RPM International Inc. Restricted Stock Plan, as amended, 21,964 shares of Common Stock issued pursuant to the 2007 RPM International Inc. Restricted Stock Plan and the RPM International Inc. 2014 Omnibus Equity and Incentive Plan, and 6,000 shares of Common Stock, issued as Performance Earned Restricted Stock, pursuant to the RPM International Inc. 2014 Omnibus Equity and Incentive Plan.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Matthew T. Ratajczak, by Gregory J. Dziak, his attorney-in-fact pursuant to Power of Attorney dated April 4, 2012 on file with the Commission</signatureName>
        <signatureDate>2020-02-21</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
