# ISO/TS 21805:2018 — Withdrawn and superseded ISO standards For ISO/TS 21805:2018, item title is Guidance on design, selection and installation of vents to safeguard the structural integrity of enclosures protected by gaseous fire-extinguishing systems; status code is 9599; successor is ISO 21805:2023; withdrawn / published date is 2018-12-18, recorded from its source on 2026-08-05. - **Identifier:** ISO/TS 21805:2018 _(verified: appears in the quote below)_ - **Item title:** Guidance on design, selection and installation of vents to safeguard the structural integrity of enclosures protected by gaseous fire-extinguishing systems _(verified: appears in the quote below)_ - **Status code:** 9599 _(verified: appears in the quote below)_ - **Successor:** ISO 21805:2023 - **Withdrawn / published date:** 2018-12-18 _(verified: appears in the quote below)_ ## What the source says > 71716,TS,,ISO/TS 21805:2018,"Guidance on design, selection and installation of vents to safeguard the structural integrity of enclosures protected by gaseous fire-extinguishing systems","Lignes directrices pour la conception, la sélection et l'installation d'évents pour préserver l'intégrité structurelle des enceintes protégées par des systèmes fixes de lutte contre l'incendie à gaz",2018-12-18,1,"['91.140.30','13.220.10']",ISO/TC 21/SC 8,9599,,[79443],['en'],30,"
This document provides guidance on fulfilling the requirements contained in ISO 6183:2009, 6.4.1 and 7.4.1 and ISO 14520-1:2015, 5.2.1 h and 5.3 h, in respect to over and under pressurisation venting and post discharge extract. ## Source - https://isopublicstorageprod.blob.core.windows.net/opendata/_latest/iso_deliverables_metadata/csv/iso_deliverables_metadata.csv Last verified: 2026-08-05. Review by: 2027-02-01. Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).