US WARN intelligence

CertainTeed layoffs & WARN notices

CertainTeed appears in 4 non-cancelled imported WARN records across 4 states. These records report 214 affected workers; 0 have future effective dates. Totals include imported records only. Secondary records are attributed separately.

What the official notice history shows

During the last 365 days, this imported archive contains 0 eligible official filings for CertainTeed. Worker counts are unavailable for this period. 0 worker counts are unavailable. The newest official notice date is Mar 25, 2020.

3 non-cancelled direct government records and 1 attributed secondary records appear in the full archive. These figures describe notices, not unique people or completed layoffs. Grouped company names do not establish ownership.

Compare original weekly and monthly official-data reports → · How dates, names and counts are interpreted

4Non-cancelled notices
214Reported workers
0Future effective dates
Coverage is limited to connected sources and imported date ranges. 0 notices have unavailable worker counts. Company groups match normalized names; aliases below preserve exact employer names from filings. Methodology →

State breakdown

StateNoticesReported workersUpcoming events
Alabama1500
California1550
Indiana1530
Kentucky1560

Reported employer names

Notice history by year

20201 notices · 55 reported workers
20121 notices · 53 reported workers
20081 notices · 50 reported workers
20001 notices · 56 reported workers

Filings and attributed reports

Company / locationWorkersEffective dateNotice dateType / source
CertainTeedWilmington, CA55Mar 16, 2020Mar 25, 2020temporarySource ↗
CertainTeedTerre Haute, IN53Apr 30, 2012Feb 24, 2012layoffSource ↗
CERTAINTEEDBirmingham, AL50Jan 23, 2009Nov 5, 2008closureSource ↗
CertainTeedHardin · KY recordSecondary · WARN Feed56UnavailableJan 4, 2000UnavailableSource ↗

4 notices · Source check Oct 8, 2026