Collective Bargaining Laborers strike at CertainTeed ends with bigger raises Mar 16, 2023 The strike shut down production at the company’s asphalt roof tile plant at 6350 NW Front Ave. for two and a half weeks.
Collective Bargaining Laborers strike shuts CertainTeed shingle plant Mar 2, 2023 Three days after voting down a company contract offer, workers at a Northwest Portland roof shingle factory walked out and shut it down.
Collective Bargaining Laborers Local 320 settles contract at CertainTeed after one-day strike Feb 27, 2013 The French-owned shinglemaker improves its bargaining offer after a walkout
