Kingspan threatened cladding firm with legal action if it revealed results of failed fire test

Grenfell Tower toward the end of its ill-fated refurbishment

Source: Grenfell Tower Inquiry

Grenfell Inquiry hears the 2008 test had failed within 15 minutes with ‘flames coming off the top of the test rig’

Kingspan threatened a cladding firm with legal action if it revealed the results of a failed fire test, the Grenfell Inquiry has heard.

John Lewis, a fire engineer at building control firm the National House Building Council (NHBC), told Monday’s hearing that the threat was made after a test of a cladding system containing Kingspan’s K15 insulation failed within 15 minutes.

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