ISO 5925:2025 pdf download,Smoke-control door, shutter assemblies and self-closing glazed elements — Ambient-temperature and medium-temperature leakage tests.
ISO 5925:2025 outlines a procedure for assessing the leakage rate of ambient (cold) and medium (warm) temperature smoke from one side of door and shutter assemblies to the opposite side under defined testing conditions. This testing methodology is relevant for door and shutter assemblies, as well as self-closing operable glazed components of various designs aimed at managing smoke flow during a fire incident. Whenever door and shutter assemblies are mentioned in this document, it also pertains to self-closing glazed elements. The fire resistance of glazed components is evaluated through tests conducted in accordance with ISO 3009.
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