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Taking the floor Another beam-in-floor system was launched in the Cotswolds last week. Dave Parker reports.

The Holy Grail of the structural steel industry is a constructional form which eliminates the need for passive fire protection to the steel frames of typical multi-storey buildings. Many have tried, but, as tests at the Building Research Establishment's Cardington facility have shown, there is still a long way to go before the dream is realised.

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