Technical Booklet E Fire Safety·Page 134·5.3
External Surfaces
The outermost external material of an external wall must meet requirements in Table 5.1A, which varies based on building height and distance to the relevant boundary.
The external surface of an external wall (i.e. outermost external material) should meet the requirements given in Table 5.1A relevant to the height of the building and the distance between the building and the relevant boundary.
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