---
schema_version: "secwatch.filing_event.v1"
accession: "0000950170-24-050185"
form_type: "8-K"
ticker: "AWI"
cik: "0000007431"
company_name: "ARMSTRONG WORLD INDUSTRIES INC"
filed_at: "2024-04-30T23:59:59+00:00"
generated_at: "2026-06-03T05:01:52.640882+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.8
calibrated_materiality_score: 0.8
confidence: "high"
source: SEC EDGAR
---

# Armstrong World Industries Q1 record: sales +5%, EPS +31%, raises FY2024 guidance

## Summary
- Net sales $326.3M (+5.2% YoY); operating income $86.1M (+22.6%); diluted EPS $1.36 (+30.8%).
- Adjusted EBITDA $111M (+16%); adjusted diluted EPS $1.38 (+23.2%); margins expanded 300bps.
- Mineral Fiber sales +4.9% on favorable pricing; Architectural Specialties +6.0% on BOK acquisition.
- Raising FY2024 guidance: net sales $1,395-$1,435M, adjusted EBITDA $465-$485M, adj. EPS $5.80-$6.05.
- Announced acquisition of 3form to expand Architectural Specialties portfolio; $702M remaining share buyback.

## SEC filing metadata
- accession: 0000950170-24-050185
- form_type: 8-K
- ticker: AWI
- cik: 0000007431
- company_name: ARMSTRONG WORLD INDUSTRIES INC
- filed_at: 2024-04-30T23:59:59+00:00
- event_type: earnings
- sentiment: positive
- materiality_score: 0.8
- calibrated_materiality_score: 0.8
- confidence: high
- sec_items: 2.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/7431/000095017024050185/0000950170-24-050185-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/7431/000095017024050185/awi-20240430.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950170-24-050185
- JSON: https://secwatch.observer/filing/0000950170-24-050185.json
- Plain text: https://secwatch.observer/filing/0000950170-24-050185.txt

## Key facts
- Earnings Releases
  ARMSTRONG WORLD INDUSTRIES INC reported first quarter 2024 results: revenue $326.3 million, net income $59.9 million, EPS $1.36. Guidance raised.
  - Period: first quarter 2024
  - Revenue: $326.3 million
  - Net income: $59.9 million
  - EPS: $1.36
  - Guidance: raised
  - Result: reported results
  source text: On April 30, 2024, Armstrong World Industries, Inc. (the "Company") issued a press release announcing its first quarter 2024 consolidated financial results.
  evidence_url: https://www.sec.gov/Archives/edgar/data/7431/000095017024050185/0000950170-24-050185-index.htm

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.