UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 13D

(Rule 13d-101)

INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT

TO § 240.13d-1(a) AND AMENDMENTS THERETO FILED PURSUANT TO

§ 240.13d-2(a)

(Amendment No. )¹

DIRTT Environmental Solutions Ltd.

(Name of Issuer)

Common Shares, without par value

(Title of Class of Securities)

25490H106

(CUSIP Number)

Aron R. English

22NW, LP

1455 NW Leary Way, Suite 400

Seattle, Washington 98107

(206) 227-3078

RYAN NEBEL

OLSHAN FROME WOLOSKY LLP

1325 Avenue of the Americas

New York, New York 10019

(212) 451-2300

(Name, Address and Telephone Number of Person

Authorized to Receive Notices and Communications)

September 27, 2021

(Date of Event Which Requires Filing of This Statement)

If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of §§ 240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the following box ☒.

Note:  Schedules filed in paper format shall include a signed original and five copies of the schedule, including all exhibits.  See § 240.13d-7 for other parties to whom copies are to be sent.

1              The remainder of this cover page shall be filled out for a reporting person’s initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter disclosures provided in a prior cover page.

The information required on the remainder of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934 (“Act”) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).

The following constitutes the Schedule 13D filed by the undersigned (the “Schedule 13D”).

This statement relates to the common shares, without par value (the “Shares”), of DIRTT Environmental Solutions Ltd., a company organized under the laws of Alberta, Canada (the “Issuer”). The address of the principal executive offices of the Issuer is 7303 30th Street S.E., Calgary, Alberta, Canada, T2C 1N6.

(a)       This statement is filed by:

Each of the foregoing is referred to as a “Reporting Person” and collectively as the “Reporting Persons.” Each of the Reporting Persons is party to that certain Joint Filing Agreement, as further described in Item 6. Accordingly, the Reporting Persons are hereby filing a joint Schedule 13D.

(b)       The address of the principal office of each of the Reporting Persons is 1455 NW Leary Way, Suite 400, Seattle, Washington 98107.

(c)       The principal business of 22NW Fund is investing in securities. The principal business of 22NW is serving as the investment manager of 22NW Fund. The principal business of 22NW GP is serving as the general partner of 22NW Fund. The principal business of 22NW Inc. is serving as the general partner of 22NW. Mr. English is the Portfolio Manager of 22NW, Manager of 22NW GP and President and sole shareholder of 22NW Inc. Messrs. Broderick, Hirai-Hadley, Jones and Mitchell are Research Analysts at 22NW.

(d)       No Reporting Person has, during the last five years, been convicted in a criminal proceeding (excluding traffic violations or similar misdemeanors).

(e)       No Reporting Person has, during the last five years, been party to a civil proceeding of a judicial or administrative body of competent jurisdiction and as a result of such proceeding was or is subject to a judgment, decree or final order enjoining future violations of, or prohibiting or mandating activities subject to, federal or state securities laws or finding any violation with respect to such laws.

(f)       22NW Fund, 22NW, 22NW GP and 22NW Inc. are organized under the laws of the State of Delaware. Messrs. English, Broderick, Hirai-Hadley, Jones and Mitchell are citizens of the United States of America.

The Shares purchased by 22NW Fund were purchased with working capital (which may, at any given time, include margin loans made by brokerage firms in the ordinary course of business). The aggregate purchase price of the 15,515,801 Shares beneficially owned by 22NW Fund is approximately $40,959,928, excluding brokerage commissions.

The Shares directly owned by Mr. English were purchased with personal funds (which may, at any given time, include margin loans made by brokerage firms in the ordinary course of business). The aggregate purchase price of the 214,869 Shares directly owned by Mr. English is approximately $494,199, excluding brokerage commissions.

The Shares directly owned by Mr. Broderick were purchased with personal funds (which may, at any given time, include margin loans made by brokerage firms in the ordinary course of business). The aggregate purchase price of the 5,675 Shares directly owned by Mr. Broderick is approximately $7,037, excluding brokerage commissions.

The Shares directly owned by Mr. Hirai-Hadley were purchased with personal funds (which may, at any given time, include margin loans made by brokerage firms in the ordinary course of business). The aggregate purchase price of the 1,250 Shares directly owned by Mr. Hirai-Hadley is approximately $1,763, excluding brokerage commissions.

The Shares directly owned by Mr. Jones were purchased with personal funds (which may, at any given time, include margin loans made by brokerage firms in the ordinary course of business). The aggregate purchase price of the 1,200 Shares directly owned by Mr. Jones is approximately $2,780, excluding brokerage commissions.

The Shares directly owned by Mr. Mitchell were purchased with personal funds (which may, at any given time, include margin loans made by brokerage firms in the ordinary course of business). The aggregate purchase price of the 6,890 Shares directly owned by Mr. Mitchell is approximately $10,100, excluding brokerage commissions.

The Reporting Persons purchased the Shares based on the Reporting Persons’ belief that the Shares, when purchased, were undervalued and represented an attractive investment opportunity. Depending upon overall market conditions, other investment opportunities available to the Reporting Persons, and the availability of Shares at prices that would make the purchase or sale of Shares desirable, the Reporting Persons may endeavor to increase or decrease their position in the Issuer through, among other things, the purchase or sale of Shares on the open market or in private transactions or otherwise, on such terms and at such times as the Reporting Persons may deem advisable.

The Reporting Persons have engaged, and intend to continue to engage, in communications with the Issuer’s management team and Board of Directors (the “Board”) regarding means to enhance stockholder value.

No Reporting Person has any present plan or proposal which would relate to or result in any of the matters set forth in subparagraphs (a) - (j) of Item 4 of Schedule 13D except as set forth herein or such as would occur upon or in connection with completion of, or following, any of the actions discussed herein. The Reporting Persons intend to review their investment in the Issuer on a continuing basis and to communicate with the Issuer’s management and Board about a broad range of operational and strategic matters. Depending on various factors including, without limitation, the Issuer’s financial position and investment strategy, the price levels of the Shares, conditions in the securities markets and general economic and industry conditions, the Reporting Persons may in the future take such actions with respect to their investment in the Issuer as they deem appropriate including, without limitation, engaging in additional communications with management and the Board of the Issuer, engaging in discussions with stockholders of the Issuer and others about the Issuer and the Reporting Persons’ investment, making proposals to the Issuer concerning changes to the capital allocation strategy, capitalization, ownership structure, Board structure (including Board composition) or operations of the Issuer, purchasing additional Shares, selling some or all of their Shares, engaging in short selling of or any hedging or similar transaction with respect to the Shares, or changing their intention with respect to any and all matters referred to in Item 4.

(a)       The aggregate percentage of Shares reported owned by each person named herein is based upon 85,328,082 Shares outstanding as of July 30, 2021, which is the total number of Shares outstanding as reported in the Issuer’s quarterly report on Form 10-Q filed with the Securities and Exchange Commission on August 4, 2021.

As of the date hereof, 22NW Fund directly beneficially owned 15,515,801 Shares, constituting approximately 18.2% of the Shares outstanding.

As of the date hereof, Mr. English directly beneficially owned 214,869 Shares, constituting less than 1% of the Shares outstanding.

As of the date hereof, Mr. Broderick directly beneficially owned 5,675 Shares, constituting less than 1% of the Shares outstanding.

As of the date hereof, Mr. Hirai-Hadley directly beneficially owned 1,250 Shares, constituting less than 1% of the Shares outstanding.

As of the date hereof, Mr. Jones directly beneficially owned 1,200 Shares, constituting less than 1% of the Shares outstanding.

As of the date hereof, Mr. Mitchell directly beneficially owned 6,890 Shares, constituting less than 1% of the Shares outstanding.

22NW, as the investment manager of 22NW Fund, may be deemed to beneficially own the 15,515,801 Shares owned by 22NW Fund, constituting approximately 18.2% of the Shares outstanding. 22NW GP, as the general partner of 22NW Fund, may be deemed to beneficially own the 15,515,801 Shares owned by 22NW Fund, constituting approximately 18.2% of the Shares outstanding. 22NW Inc., as the general partner of 22NW, may be deemed to beneficially own the 15,515,801 Shares owned by 22NW Fund, constituting approximately 18.2% of the Shares outstanding. Mr. English, as the Portfolio Manager of 22NW, Manager of 22NW GP and President and sole shareholder of 22NW Inc., may be deemed to beneficially own the 15,515,801 Shares owned by 22NW Fund, which, together with the Shares he directly beneficially owns, constitutes an aggregate of 15,730,670 Shares, constituting approximately 18.4% of the Shares outstanding.

Each Reporting Person may be deemed to be a member of a “group” with the other Reporting Persons for the purposes of Section 13(d)(3) of the Securities Exchange Act of 1934, as amended, and such group may be deemed to beneficially own the 15,745,685 Shares owned in the aggregate by all of the Reporting Persons. Each Reporting Person disclaims beneficial ownership of the Shares that he or it does not directly own.

(b)       By virtue of their respective positions with 22NW Fund, each of 22NW, 22NW GP, 22NW Inc. and Mr. English may be deemed to have sole power to vote and dispose of the Shares directly beneficially owned by 22NW Fund.

Mr. English has the sole power to vote and dispose of the Shares directly beneficially owned by him.

Mr. Broderick has the sole power to vote and dispose of the Shares directly beneficially owned by him.

Mr. Hirai-Hadley has the sole power to vote and dispose of the Shares directly beneficially owned by him.

Mr. Jones has the sole power to vote and dispose of the Shares directly beneficially owned by him.

Mr. Mitchell has the sole power to vote and dispose of the Shares directly beneficially owned by him.

(c)       The transactions in the Shares by the Reporting Persons during the past sixty days are set forth in Schedule A and are incorporated herein by reference. All of such transactions were effected in the open market unless otherwise noted therein.

(d)       No person other than the Reporting Persons is known to have the right to receive, or the power to direct the receipt of dividends from, or proceeds from the sale of, the Shares.

On October 7, 2021, the Reporting Persons entered into a Joint Filing Agreement in which the Reporting Persons agreed to the joint filing on behalf of each of them of statements on Schedule 13D with respect to the securities of the Issuer to the extent required by applicable law. The Joint Filing Agreement is attached hereto as Exhibit 99.1 and is incorporated herein by reference.

Other than as described herein, there are no contracts, arrangements, understandings or relationships among the Reporting Persons, or between the Reporting Persons and any other person, with respect to the securities of the Issuer.

SIGNATURES

After reasonable inquiry and to the best of his knowledge and belief, the undersigned certifies that the information set forth in this statement is true, complete and correct.

Dated: October 7, 2021

SCHEDULE A

Transactions in the Securities of the Issuer During the Past Sixty (60) Days

22NW FUND, LP

ARON R. ENGLISH

¹ The price reported is a weighted average price. These Shares were purchased in multiple transactions at prices ranging from $3.8350 to $3.9917. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of Shares purchased at each separate price within the range set forth in this footnote.

² The price reported is a weighted average price. These Shares were purchased in multiple transactions at prices ranging from $3.8100 to $3.8700. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of Shares purchased at each separate price within the range set forth in this footnote.