US union writes to Kingspan’s major shareholder over Grenfell Tower fire inquiry

Dispute escalates as sheet metal workers’ organisation follows report on investigation with letter to company’s biggest institutional investor

International Association of Sheet Metal, Air, Rail and Transportation Workers (Smart), published a report on the inquiry into the Grenfell Tower fire, in which 72 people died.

An American sheet metal workers’ union has gone head to head with Kingspan, writing to the company’s biggest institutional shareholder to give them an “investor briefing”, and refusing to withdraw a report on the Grenfell Tower inquiry that Kingspan says is defamatory.

Kingspan has been in a months-long dispute with the Washingon DC-based International Association of Sheet Metal, Air, Rail and Transportation Workers (Smart), which in November published a report on the inquiry into the ...