---
schema_version: "secwatch.filing_event.v1"
accession: "0000950170-24-133081"
form_type: "8-K"
ticker: "AWI"
cik: "0000007431"
company_name: "ARMSTRONG WORLD INDUSTRIES INC"
filed_at: "2024-12-04T23:59:59+00:00"
generated_at: "2026-05-29T09:09:12.596910+00:00"
event_type: "m_and_a"
sentiment: "positive"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# Armstrong completes acquisition of exterior metal specialist Zahner (est. $42M rev)

## Summary
- Acquisition of A. Zahner Company completed Dec 4, 2024; Zahner is leader in exterior architectural metal solutions.
- Zahner projected 2024 revenue of ~$42M; funded with existing cash and revolving credit facility.
- Zahner has ~160 employees with production facilities in Missouri and Texas.
- Acquisition expands Armstrong's exterior metal capabilities, complementing prior BOK Modern purchase in 2023.
- This is the 12th Architectural Specialties acquisition since 2016, broadening portfolio for interior and exterior applications.

## SEC filing metadata
- accession: 0000950170-24-133081
- form_type: 8-K
- ticker: AWI
- cik: 0000007431
- company_name: ARMSTRONG WORLD INDUSTRIES INC
- filed_at: 2024-12-04T23:59:59+00:00
- event_type: m_and_a
- sentiment: positive
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: high
- sec_items: 8.01, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/7431/000095017024133081/0000950170-24-133081-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/7431/000095017024133081/awi-20241202.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950170-24-133081
- JSON: https://secwatch.observer/filing/0000950170-24-133081.json
- Plain text: https://secwatch.observer/filing/0000950170-24-133081.txt

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