Designing Buildings: Created page with "Approved document F: Volume 1: Dwellings, 2021 edition, defines less airtight dwellings as those dwellings that are not highly airtight dwellings. Where highly airtight dwelling..."

2025-02-20T08:41:59Z

Created page with "Approved document F: Volume 1: Dwellings, 2021 edition, defines less airtight dwellings as those dwellings that are not highly airtight dwellings. Where highly airtight dwelling..."

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Approved document F: Volume 1: Dwellings, 2021 edition, defines less airtight dwellings as those dwellings that are not highly airtight dwellings.

Where highly airtight dwellings are dwellings that achieve one of the following.

* A design air permeability lower than 5m^3/(h·m^2) at 50Pa.
* An as-built air permeability lower than 3m^3/ (h·m^2) at 50Pa.

= 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.
* Highly airtight dwellings.
* Indoor air quality.
* Ventilation.

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

Less airtight dwellings - Revision history

Designing Buildings: Created page with "Approved document F: Volume 1: Dwellings, 2021 edition, defines less airtight dwellings as those dwellings that are not highly airtight dwellings. Where highly airtight dwelling..."