The firm which sold combustible cladding panels used on the refurbishment of Grenfell Tower was warned a decade before the deadly fire that the material would burn like fuel oil and could kill up to 70 people, the inquiry has heard.

The fire at Grenfell Tower in June 2017 led to the deaths of 72 people.

Arconic marketing manager Gerard Sonntag attended an industry event in Norway in 2007 where a cladding expert set out the dangers of using plastic-filled ACM panels on buildings.

The expert, Fred-Roderich Pohl, a consultant for metals firm Otefal, said that 5,000m² of ACM would have the same “fuel power” as a “truck of 19,000 litre oil” in the event of a fire.

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