Published: Jan 1981
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This paper deals with a single specific building security problem. It is the researchers intent to point out the inherent weakness of “jamb/stud” wall construction adjacent to door jambs, specifically relating to the problem of mechanical “spreading” as a means to gain illegal entry.
Comparative data and comments were compiled as a result of testing based on ASTM Tests for Security of Swinging Door Assemblies (F476 - 76) 2 by 4 wall construction versus a modified 2 by 4 wall condition. The conclusion drawn points to sufficiently increased resistance to illegal entry by minor modification of the common wall structure adjacent to door jambs.
building security, jamb/stud walls, door jambs, illegal entry, wall construction
General manager, National Steel Products Co., Monroe, La.
Chief engineer, Curries Manufacturing, Inc., Mason City, Ia.
Paper ID: STP28085S