CertainTeed

Case Number: 32-RC-394372

Date Filed: 09/08/2026

Status: Open

No. of Employees: 166

Location: Chowchilla, CA

Region Assigned: Region 32, Oakland, California

Unit Description: Included: All full-time and regular part-time Production employees, Maintenance employees,Cold End employees, Hot End employees, Warehouse employees, Inspector Packagers, Store Room Attendants, Blowing \Wool/Recycle Operators, Multi-pak Operators, Maintenance Trainees, Advance IP employees, Pol Recycle/Forming Wash water employees, Applicators, QA Line Inspectors/Lab Techs, Maintenance Tech 3, Lead Persons Warehouse, Line Operators C12, Batch House Operators, Binder Wash Water Operators, Lead Persons Inspector Packer, Maintenance Workers 2, Process Operators, Line Operators C11, Maintenance Workers 1, Maintenance Worker 1 with Mechanical or Electrical Certification, Lead Persons Maintenance, Lead Persons Production, Lead Persons Maintenance Skilled, DTO Lab Techs, Maintenance Planner Schedulers, Controls Technicians, Instrumentation Workers. Excluded: Managers, Clerical Employees, Salary Workers, Guards, and Supervisors as defined by the Act.