(57) The body and door of a safe or similar security receptacle are constructed with a
security barrier layer comprising an elastomer material 2,6 reinforced with elements
of hard material 3,7. Onto this barrier is cast an outer elastomer layer 4,8 which
is moulded to define the external profile of the structure. The outer elastomer layer
4,8 replaces the steel skin of traditional safe manufacture and avoids security and
cost problems associated with the latter. It is also preferably formulated to intumesce
into a non-combustible char under fire conditions to enhance the fire-resistance of
the structure.
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