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CertainTeed — WARN Act layoff notices

Official state WARN filings by CertainTeed since 1988, normalized from state labor department sources. Latest notice: 2020-04-11.

Also filed as: CertainTeed Roofing

4notices

214workers affected

4states

Notice date	State	Location	Employees	Effective date	Type
2020-04-11	California	Wilmington, Los Angeles County	55	2020-03-16	Layoff Temporary
2012-02-24	Indiana	Terre Haute	53	2012-04-30	LO
2008-11-05	Alabama	Birmingham	50	2009-01-23	Closing *
2000-01-04	Kentucky	Hardin	56	—	—

Source: state WARN Act disclosures, normalized in the free US WARN notices dataset (CSV/JSON, no login, no delay, notices 1988+). WARN notices are advance notifications of plant closings and mass layoffs; actual layoff counts and dates can change after filing.

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