Armstrong World Industries Inc. reported first‑quarter 2026 results with net sales of $409.9 million, a 7.1% year‑over‑year increase, and net income of $66.8 million. GAAP diluted earnings per share were $1.55, while adjusted EPS—excluding one‑time items—were $1.69. The adjusted EBITDA margin fell to 31.7% from 33.6% a year earlier, reflecting short‑term headwinds in the Architectural Specialties segment.
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