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EN ISO 21805:2023/A1:2026

Guidance and recommendations on design, selection and installation of vents to safeguard the structural integrity of enclosures protected by gaseous fire-extinguishing systems - Amendment 1 (ISO 21805:2023/Amd 1:2025, Corrected version 2026-05) EN ISO 21805:2023/A1:2026

Publication date:   Mar 17, 2026

General information

60.60   Standard published   Jan 14, 2026

CEN

CEN/TC 191 Fixed firefighting systems

European Norm

13.220.10   Fire-fighting | 91.140.30   Ventilation and air-conditioning systems

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EN ISO 21805:2023/A1:2026
60.60 Standard published
Jan 14, 2026




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