Smoke and heat control systems - Specification for smoke barriers Ingestion-build-264231 BS EN 13403 is a

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4 Functional requirements

Smoke and heat control systems - Specification for smoke barriers Ingestion-build-264231 BS EN 13403 is a1 Scope This part of ISO 21927 specifies the product performance requirements, classifications and test methods for smoke barriers, which comprise the barrier itself, with or without associated activation and drive devices, designed for use in smoke and heat control systems. It covers only barriers installed in buildings, i. e. it does not cover barriers made of part of the buildings structure. This part of ISO 21927 provides the test methods for, and