<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0206</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2019-10-08</periodOfReport>

    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0001340476</issuerCik>
        <issuerName>DIRTT ENVIRONMENTAL SOLUTIONS LTD</issuerName>
        <issuerTradingSymbol>DRTT</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001788914</rptOwnerCik>
            <rptOwnerName>Karkkainen Denise</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>7303 30TH STREET S.E.</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>CALGARY</rptOwnerCity>
            <rptOwnerState>A0</rptOwnerState>
            <rptOwnerZipCode>T2C 1N6</rptOwnerZipCode>
            <rptOwnerStateDescription>ALBERTA, CANADA</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Shares</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>23300</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <derivativeTable>
        <derivativeHolding>
            <securityTitle>
                <value>Director and Employee Stock Option (right to buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>4.60</value>
                <footnoteId id="F2"/>
            </conversionOrExercisePrice>
            <exerciseDate>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <value>2020-08-16</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Shares</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>25000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
        <derivativeHolding>
            <securityTitle>
                <value>Director and Employee Stock Option (right to buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>4.35</value>
                <footnoteId id="F4"/>
            </conversionOrExercisePrice>
            <exerciseDate>
                <footnoteId id="F3"/>
            </exerciseDate>
            <expirationDate>
                <value>2021-11-20</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Shares</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>15000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
        <derivativeHolding>
            <securityTitle>
                <value>Deferred Share Units</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F5"/>
            </conversionOrExercisePrice>
            <exerciseDate>
                <footnoteId id="F5"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F5"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Shares</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>11568</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">The option, representing a right to purchase a total of 25,000 shares, is fully exercisable as of the date hereof.</footnote>
        <footnote id="F2">The exercise price of the option of CAD$6.10 is converted to USD based on the daily average exchange rate as reported by the H.10 statistical release of the Board of Governors of the Federal Reserve System on September 27, 2019 of C$1.3250 = US$1.00.</footnote>
        <footnote id="F3">The option, representing a right to purchase a total of 15,000 shares, became exercisable as to 5,000 shares on November 21, 2017 and as to 5,000 shares on November 21, 2018, with the remainder to vest on November 21, 2019, subject to continued service through each vesting date.</footnote>
        <footnote id="F4">The exercise price of the option of CAD$5.76 is converted to USD based on the daily average exchange rate as reported by the H.10 statistical release of the Board of Governors of the Federal Reserve System on September 27, 2019 of C$1.3250 = US$1.00.</footnote>
        <footnote id="F5">Each deferred share unit is the economic equivalent of one share of the Issuer's Common Shares. Upon the Reporting Person's resignation, death or retirement from the board of directors of the Issuer, the deferred share units will be settled in cash based on a conversion price that is equal to, if the Common Shares are listed on more than one stock exchange, the volume weighted average price of the Common Shares for the five trading days on which the Common Shares were trading, based on the stock exchange with the higher average trading volume over the twenty trading days immediately prior to such date.</footnote>
    </footnotes>

    <remarks>See attached for Exhibit 24 - Power of Attorney</remarks>

    <ownerSignature>
        <signatureName>/s/ Nandini Somayaji, as attorney-in-fact for Denise Karkkainen</signatureName>
        <signatureDate>2019-10-08</signatureDate>
    </ownerSignature>
</ownershipDocument>
