The use of thin film intumescent coatings on steel-framed buildings has risen from a 20 per cent market share in 1992 to 75 per cent in 2012. Intumescent coatings continue to develop, but those that are in use today are more efficient and more economic than those available 20 years ago. Their cost, in real terms, currently stands at a fraction of what it was in the 1990s. The market share for intumescent coatings has also been assisted by the increasing development of of f site applied systems, which now contribute 20 per cent to intumescent's total current market share of 75 percent.
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