Last edited 20 Aug 2018

Non-combustible material

Approved document J, Combustion appliances and fuel storage systems defines ‘non-combustible materials’ as:

‘…the highest level of reaction to fire performance. Non-combustible materials include:

Typical examples of such materials to be found in buildings include totally inorganic materials such as concrete, fired clay, ceramics, metals, plaster and masonry containing not more than 1% by weight or volume of organic material. (Use in buildings of combustible metals such as magnesium–aluminium alloys should be assessed in each individual case.)'

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