ISO 6944-1:2024
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The latest, up-to-date edition.
Fire containment — Elements of building construction — Part 1: Ventilation ducts
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English
26-06-2024
This document specifies a method for determining the fire resistance of vertical and horizontal ventilation ducts under standardized fire conditions. The test examines the behaviour of ducts exposed to fire from the outside (ductA) and fire inside the duct (ductB). This document is intended to be used in conjunction with ISO834-1.
This document is not applicable to:
kitchen extract ducts (see ISO 6944-2).
NOTE AnnexA provides general guidance and gives background information.
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