“However, both parties have subsequently concluded that it is not appropriate for the partnership to move forward at the current point in time, notwithstanding its intended positive impact, and we have therefore agreed that it will be discontinued with immediate effect.”

Grenfell United said it was “pleased to hear” the news of the termination of the deal with Kingspan.

“In written and verbal testimony, former Kingspan staff have accepted that their approach to certification of the materials was ‘fundamentally misleading,'” Gove says, “and that they definitely knew that it was more combustible than they portrayed; and that their approach was ‘to get away with as much as possible.'”

“We did not make the exterior cladding on Grenfell Tower,” the company said. “The Inquiry itself has stated that ‘the principal reason’ for rapid fire spread on Grenfell was the Polyethylene cored ACM cladding used on the exterior of the building. No façade system using this PE ACM cladding, regardless of the insulation used, would have passed the necessary large-scale system fire test. Our K15 insulation board was misused in this unsafe and non-compliant system.

“We did not supply or recommend K15 to Grenfell Tower. K15 made up approximately 5% of the insulation layer of the façade system. It was substituted without our knowledge.

“We have completed new tests which support the previous fire safety claims of the three historical K15 large-scale system tests which came into question during the Inquiry process.”

The Grenfell Tower Inquiry is ongoing.