Johns Manville Layoffs
Layoff Detector tracks official WARN Act notices filed by Johns Manville across U.S. states. There are 12 filings on record, affecting 1,037 workers from 2000 to 2026.
Total filings
12
Workers affected
1,037
States
7
Latest filing
Feb 6, 2026
Filings
| Location | Employees Affected | Notice Date | Type | Source |
|---|---|---|---|---|
| California | 90 | Feb 6, 2026 | Closure Temporary | — |
| California | 100 | Aug 30, 2024 | Layoff Temporary | — |
| California | 54 | Jul 21, 2023 | Closure Temporary | — |
| California | 260 | Sep 7, 2021 | Closure Temporary | — |
| Tennessee | — | May 22, 2020 | — | — |
| Defiance/Defiance, Ohio | — | Apr 7, 2020 | — | — |
| Willows, California | 13 | Mar 26, 2020 | Layoff Temporary | — |
| Willows, California | 40 | Jan 21, 2015 | Layoff Temporary | — |
| Cleburne, Texas | 90 | Jul 23, 2014 | — | — |
| Phenix City, Alabama | 150 | Dec 6, 2006 | — | — |
| Kentucky | 70 | May 2, 2000 | — | — |
| BERLIN, New Jersey | 170 | — | — | — |
California
Closure Temporary90 employeesFeb 6, 2026—
California
Layoff Temporary100 employeesAug 30, 2024—
California
Closure Temporary54 employeesJul 21, 2023—
California
Closure Temporary260 employeesSep 7, 2021—
Tennessee
—— employeesMay 22, 2020—
Defiance/Defiance, Ohio
—— employeesApr 7, 2020—
Willows, California
Layoff Temporary13 employeesMar 26, 2020—
Willows, California
Layoff Temporary40 employeesJan 21, 2015—
Cleburne, Texas
—90 employeesJul 23, 2014—
Phenix City, Alabama
—150 employeesDec 6, 2006—
Kentucky
—70 employeesMay 2, 2000—
BERLIN, New Jersey
—170 employees——
Search all WARN notices or browse data coverage by state.
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