Advisory Note 19: ASFP Position on the Use of Critical Steel Temperatures above 650℃ updates a previous edition released in July 2020. It highlights that it is vital to ensure that the appropriate limiting temperature is used in the specification of a reactive coating. Use of an elevated temperature (above 650℃) without the appropriate engineering checks could potentially leave a structure under-protected in a fire situation. This reinforces the best practice guidance contained within Advisory Note 12: Best Practice Guide for Specifying reactive coatings for structural steel fire protection, published jointly by the ASFP and the British Coatings Federation, which advises that if a limiting temperature of above 650℃ is specified, then a second opinion must be sought from a structural engineer with appropriate fire design and engineering experience.
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