Exhibit 32.1
Certification of CEO Pursuant to
18 U.S.C. Section 1350,
As Adopted Pursuant to
Section 906 of the Sarbanes-Oxley Act of 2002


In connection with the Quarterly Report on Form 10-Q for the period ended September 30, 2020 of Armstrong Flooring, Inc. (the “Company”) as filed with the Securities and Exchange Commission on the date hereof (the “Report”), Michel S. Vermette, President and Chief Executive Officer of the Company, hereby certifies, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 that to his knowledge:

(1) The Report fully complies with the requirements of Section 13(a) or Section 15(d) of the Securities Exchange Act of 1934; and

(2) The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the
Company.
/s/ Michel S.Vermette
 
Michel S. Vermette
President and Chief Executive Officer
(Principal Executive Officer)
October 30, 2020