Designing Buildings: Created page with "Approved document F: Volume 1: Dwellings, 2021 edition, defines a permanent opening as: ‘An opening between rooms or floors that has no means of closing it, e.g. an open stairw..."

2025-02-21T07:33:40Z

Created page with "Approved document F: Volume 1: Dwellings, 2021 edition, defines a permanent opening as: ‘An opening between rooms or floors that has no means of closing it, e.g. an open stairw..."

New page

Approved document F: Volume 1: Dwellings, 2021 edition, defines a permanent opening as: ‘An opening between rooms or floors that has no means of closing it, e.g. an open stairwell or two rooms that have been joined by removing part of a wall.’

= Related articles on Designing Buildings =

* Air change rates.
* Air conditioning.
* Air infiltration.
* Air permeability.
* Approved document F.
* Approved documents.
* Building regulations.
* Displacement ventilation.
* Extract ventilation.
* Indoor air quality.
* Ventilation.

[[Category:DCN_Definition]] [[Category:Definitions]]

Permanent opening - Revision history

Designing Buildings: Created page with "Approved document F: Volume 1: Dwellings, 2021 edition, defines a permanent opening as: ‘An opening between rooms or floors that has no means of closing it, e.g. an open stairw..."