# ISO 21927-2:2006 — Withdrawn and superseded ISO standards

For ISO 21927-2:2006, item title is Smoke and heat control systems — Part 2: Specification for natural smoke and heat exhaust ventilators; status code is 9599; successor is ISO 21927-2:2018; withdrawn / published date is 2006-11-22, recorded from its source on 2026-08-05.

- **Identifier:** ISO 21927-2:2006 _(verified: appears in the quote below)_
- **Item title:** Smoke and heat control systems — Part 2: Specification for natural smoke and heat exhaust ventilators _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 21927-2:2018
- **Withdrawn / published date:** 2006-11-22 _(verified: appears in the quote below)_

## What the source says

> 40513,IS,,ISO 21927-2:2006,Smoke and heat control systems — Part 2: Specification for natural smoke and heat exhaust ventilators,Systèmes de contrôle de fumée et de chaleur — Partie 2: Spécifications pour les dispositifs d'évacuation naturelle des fumées et de la chaleur,2006-11-22,1,['13.220.20'],ISO/TC 21/SC 11,9599,,[70998],['en'],40,<p>ISO 21927-2:2006 specifies requirements and gives test methods for natural smoke- and heat-exhaust ventilators that are intended to be installed in a roof and/or wall as a component of a natural smoke- and heat-exhaust system.</p>

## 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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).