UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 6-K

REPORT OF FOREIGN PRIVATE ISSUER

PURSUANT TO RULE 13a-16 OR 15d-16

UNDER THE SECURITIES EXCHANGE ACT OF 1934

For the month of ~~March~~April 2025

Commission File ~~Number:~~ No. 001-39974

WEST FRASER TIMBER CO. LTD.

(~~Exact~~Translation ~~name~~ of ~~Registrant,~~registrant’s asname ~~specified~~into ~~in its charter~~English)

~~1500 -~~ 885 West Georgia Street, Suite 1500

Vancouver, British Columbia

Canada, V6C 3E8

~~Tel:~~ (~~604~~Address of principal executive office) ~~895-2700~~

~~(Address~~Indicate ~~and~~by ~~Telephone~~check ~~Number~~mark whether the registrant files or will file annual reports under cover of ~~Registrant's~~Form ~~Principal~~20-F ~~Executive~~or ~~Offices)~~Form 40-F

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F.

Form 20-F ☐ Form 40-F ☒

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1): ☐

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(7): ☐

~~EXHIBIT~~SUBMITTED ~~INDEX~~HEREWITH

Exhibit			Description
99.1			Notice of Annual General Meeting of Shareholders to be held on April 23, 2025
99.2			Management Information Circular dated March 6, 2025
99.3			Form of Proxy
99.4			Financial Statements Request Form (NI 51-102 Mailing List Card)
99.5			2024 Annual Report


Exhibits

99.1		News release dated April 3, 2025 re: Notice of First Quarter Results Conference Call

~~SIGNATURES~~SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

~~Date~~Dated: ~~March 14~~April 3, 2025 ~~WEST FRASER TIMBER CO. LTD. /s/ Christopher A. Virostek Christopher A. VirostekSenior Vice-President, Finance and Chief Financial Officer~~

WEST FRASER TIMBER CO. LTD.

/s/ Christopher A. Virostek

Christopher A. Virostek

Senior Vice-President, Finance and Chief Financial Officer

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