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TEMPORARY CLOSURE · NOT A LAYOFFREPORTED · WARN NOTICE✓ VERIFIEDAdded Jul 27, 2026

Johns Manville Temporary Closure — September 2023

This is a temporary closure, not a layoff. The WARN notice behind this record is marked Closure Temporary by the filing employer — a scheduled pause, such as a seasonal or holiday shutdown, after which normal operations resume. This event is excluded from our layoff totals.

SOURCEOFFICIAL FILINGCalifornia Employment Development Department· filed July 21, 2023View the filing ↗

EMPLOYEES AFFECTED
54
SHARE OF WORKFORCE
~0.8%
EFFECTIVE DATE
Sep 25, 2023
54 OF 7,200 EMPLOYEES

What we know

Location: Willows, CA (Glenn County).

A WARN notice for this layoff is recorded on July 21, 2023.

Disclosed through an official WARN filing with the CA state workforce agency.

Summary

Johns Manville disclosed this layoff in an official WARN (Worker Adjustment and Retraining Notification) notice recorded by the CA state workforce agency on July 21, 2023. The notice covers 54 employees in Willows, CA (Glenn County), with the layoff effective September 25, 2023.

That is roughly 0.8% of the 7,200 people Johns Manville employs.

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SOURCE
Official WARN notice
View state filing ↗
J
Johns Manville
Materials · 7,200 employees
0
EVENTS TRACKED
JOBS IN WARN FILINGS
View company profile

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CREATED JUL 27, 2026LAST UPDATED AUG 11, 2026