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Why do I need to apply intumescent paint to steel columns, RSJs & steel beams?

April 26, 2017beams columns intumescent paint steel

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Why do I need to apply intumescent paint to steel columns, RSJs & steel beams?

1 Answer

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Answer Steel weakens and loses its structural strength very quickly in a fire. Thinner steel sections heat up much faster than thicker sections of the same nominal overall size, so this means that the thinner sections require much more intumescent paint than the thicker ones.