Grenfell facade designer thought absence of cavity barriers was deliberate policy

Kevin Lamb, who worked for Harley Facades on a freelance basis during the Grenfell Tower refurbishment

Cladding firm’s hired hand believed lack of key safety component in architect’s drawings reflected ‘different route to compliance’

The freelancer hired by Harley Facades to work as “project designer” on the Grenfell Tower refurbishment believed the omission of a key safety feature from architect Studio E’s plans for the scheme was deliberate, the inquiry into 2017’s fire disaster has heard.

Kevin Lamb told the Grenfell Tower Inquiry that he knew the windows of buildings needed to be surrounded by cavity barriers to stop the spread of fire in accordance with Approved Document B of the Building Regulations.

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