Tests for external wall fires based on how flames behave indoors, Grenfell Inquiry told

By Tom Lowe2020-11-11T06:00:00

Grenfell Tower toward the end of its ill-fated refurbishment

Source: Grenfell Tower Inquiry

Expert witness Barbara Lane queries decades-old testing regime

Government-approved fire testing regimes which are used to judge the safety of external cladding systems on buildings are based on how fire behaves when indoors, the Grenfell Inquiry has heard.

Expert witness Dr Barbara Lane told Tuesday’s hearing that criteria used to classify the safety of external cladding systems was derived from “internal room fire phenomena”.

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