---
schema_version: "secwatch.filing_event.v1"
accession: "0001370946-25-000171"
form_type: "8-K"
ticker: "OC"
cik: "0001370946"
company_name: "Owens Corning"
filed_at: "2025-05-07T23:59:59+00:00"
generated_at: "2026-05-22T07:23:16.607619+00:00"
event_type: "earnings"
sentiment: "neutral"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Owens Corning Q1 2025: Net sales up 25% to $2.5B, adjusted EBITDA margin 22%; EPS down 7%

## Summary
- Net sales from continuing ops $2.5B, +25% YoY; Doors segment contributed $540M.
- Adjusted EBITDA $565M (10% growth), margin 22%; diluted EPS $2.95 (-7%), adjusted EPS $2.97 (-13%).
- Roofing EBITDA margin 30%, Insulation 25%, Doors 13%; 19th straight quarter of 20%+ adj. EBITDA margin.
- Q2 outlook: revenue growth high-single-digit %; adj. EBITDA margin low-to-mid 20%; net tariff impact ~$10M after mitigation.
- Operating cash outflow $49M; returned $159M to shareholders via dividends and buybacks; glass reinforcements divestiture on track.

## SEC filing metadata
- accession: 0001370946-25-000171
- form_type: 8-K
- ticker: OC
- cik: 0001370946
- company_name: Owens Corning
- filed_at: 2025-05-07T23:59:59+00:00
- event_type: earnings
- sentiment: neutral
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1370946/000137094625000171/0001370946-25-000171-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1370946/000137094625000171/oc-20250507.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001370946-25-000171
- JSON: https://secwatch.observer/filing/0001370946-25-000171.json
- Plain text: https://secwatch.observer/filing/0001370946-25-000171.txt

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