BS 459-3:1951
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
Specification for wooden doors Fire-check flush doors and wood and metal frames (half-hour and one-hour types)
Hardcopy
15-03-1985
English
31-10-1951
Doors and frames for internal and external use that have been shown to provide effective barriers to the passage of fire for the time stated. They do not however comply for the appropriate periods with all the requirements for fire resistance specified in BS 476:Part 8 (hence the term \'fire-check\'). Materials, construction.
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