BS 459-3:1951 PDF

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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ISBN(s) :	null
Note :	This product is unavailable in Ukraine, Russia, Belarus
Product Code(s) :	10010631
Published :	10/31/1951