Fire protection (ICS code(s): 13.220.20); Doors and windows (ICS code(s): 91.060.50)
BOS 397:2016 Fire-doors and fire-shutters — Specification; (32 page(s), in English)
This Botswana standard specifies requirements for six classes of fire-door and fire-shutter assemblies that are intended to close permanent openings in walls or partitions, to provide a fire resistance of at least 30 min in order to stop the spread of fire and to limit the spread of smoke. This standard does not apply to fire dampers.