Item 7.01 Other Events

On November 14, 2012, Armstrong World Industries, Inc. (the "Company") issued a press release announcing the closing of a secondary public offering of 5,200,000 common shares held by The Armstrong World Industries, Inc. Asbestos Personal Injury Settlement Trust and Armor TPG Holdings, L.P. (together, the "Selling Shareholders") at a price of $51.00 per share (the "Offering"). A copy of the press release is furnished as Exhibit 99.1 to this Current Report on Form 8-K.

The information in this Item 7.01 of this Current Report on Form 8-K, including Exhibit 99.1, is being furnished herewith and shall not be deemed "filed" for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference into any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as expressly set forth by specific reference in such filing.

Item 9.01. Financial Statements and Exhibits

(d) Exhibits

1.1 Underwriting Agreement, dated November 7, 2012, by and among Armstrong World Industries, Inc., Merrill Lynch, Pierce, Fenner & Smith Incorporated, as representative of the several underwriters, and The Armstrong World Industries, Inc. Asbestos Personal Injury Settlement Trust and Armor TPG Holdings, L.P., as the selling shareholders.

5.1 Opinion of Morgan, Lewis & Bockius LLP.

99.1 Press Release of Armstrong World Industries, Inc. dated November 14, 2012.

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