James Hardie Building Products, Inc. has a WARN Act filing history stretching from December 2007 to March 2026, with 2 notices affecting 171 employees in total. Filings span South Carolina (1) and Pennsylvania (1). All classified notices are facility closures.

Under the WARN Act (Worker Adjustment and Retraining Notification Act), employers with 100 or more employees are required to provide 60 days advance notice before conducting plant closures or mass layoffs. These notices are filed with state labor departments and are public record.

Layoff History

Employees affected over time

All WARN Act Notices

Location	Effective Date	Employees	Type
Summerville, SC	Mar 16, 2026	78	closure
Blandon, PA	Dec 30, 2007	93	closure

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