Emails which appear to show that the architect, contractor, façade specialist and fire engineer working on the refurbishment of Grenfell Tower knew the cladding would fail in the event of a fire have been published by the public inquiry.

The emails were contained in evidence submitted this morning by insulation manufacturer Celotex as it sought to argue that the designers, contractor and consultants involved in the refurbishment bore responsibility for the performance of the cladding system in the blaze.

The emails refer to a debate between the parties and the local authority’s building control department about the extent of fire stopping required to be situated in the cavity behind the façade to prevent unseen fire spread.

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