BRE clarify research report quoted by BBC London.

BRE has pointed out that information quoted in a BBC London news item had been incorrectly cited and misunderstood the true context of the results of the research. The research investigated the effectiveness of different types of window frames in slowing the penetration of fire into a timber frame wall cavity rather than fire resistance.

(The full research report is downloadable free of charge at: https://www.bre.co.uk/page.jsp?id=587)