# ISO 6944:1985 — Withdrawn and superseded ISO standards

For ISO 6944:1985, item title is Fire resistance tests — Ventilation ducts; status code is 9599; successor is ISO/CD 6944 | ISO 6944-1:2008; withdrawn / published date is 1985-12-19, recorded from its source on 2026-08-05.

- **Identifier:** ISO 6944:1985 _(verified: appears in the quote below)_
- **Item title:** Fire resistance tests — Ventilation ducts _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO/CD 6944 | ISO 6944-1:2008
- **Withdrawn / published date:** 1985-12-19 _(verified: appears in the quote below)_

## What the source says

> 13488,IS,,ISO 6944:1985,Fire resistance tests — Ventilation ducts,Essais de résistance au feu — Conduits de ventilation,1985-12-19,1,"['91.140.30','13.220.50']",ISO/TC 92/SC 2,9599,,"[21809,50385]","['en','fr']",21,"<p>Specifies a method of test and criteria for vertical and horizontal ducts under standardized fire conditions. The general purpose is to measure the ability to resist the spread of fire from one fire compartment to another without the aid of fire dampers. Is applicable to vertical and horizontal ducts with or without branches, taking into account joints, air supply and exhaust openings and suspension devices etc.</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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).