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Last edited 16 Aug 2017
|A space enclosed by elements of a building (including a suspended ceiling) or contained within an element, but not a room, cupboard, circulation space, protected shaft or space within a flue, chute, duct, pipe or conduit.|
Requirements for concealed spaces are set out in Section 6 of approved document B1 and section 9 of approved document B2, and relate predominately to the construction of concealed spaces and the provision of cavity barriers, that is:
|A construction, other than a smoke curtain, provided to close a concealed space against penetration of smoke or flame, or provided to restrict the movement of smoke or flame within such a space.|
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