Technical Booklet E Fire Safety·Page 90·4.2
Fire resistance classification methods
Fire resistance is measured by three criteria: resistance to collapse (loadbearing capacity), resistance to fire penetration (integrity), and resistance to transfer of excessive heat (insulation), denoted R, E, and I respectively in European classification.
The fire resistance of an element of structure or other component of a building is a measure of its ability to withstand the effects of fire in one or more of the following ways –
(a) resistance to collapse (loadbearing capacity) denoted 'R' in European classification;
(b) resistance to fire penetration (integrity) denoted 'E' in European classification; and
(c) resistance to transfer of excessive heat (insulation) denoted 'I' in European classification.
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