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England · Statutory guidance

Ventilation: Approved Document F, Volume 2 — Buildings other than dwellings

Ventilation guidance for non-domestic buildings, including outdoor air supply, extract ventilation and commissioning.

Ventilation
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Source wording and page order preserved. Drawings and table layouts remain available in the original PDF.

O N L I N E V E R S I O N Contents Introduction i What is an approved document? i How is construction regulated in England? i How do you comply with the Building Regulations? i What do the Building Regulations cover? ii When must a building control body be notified? ii How to use this approved document iii Where to get further help iv Section 0: Introduction 1 Summary 1 Application 1 Selected key interactions with other parts of the Building Regulations 3 Requirement F1(1): Means of ventilation 5 Intention 5 Section 1: Ventilation provision 6 General 6 Noise 6 Access for maintenance 7 The ventilation strategy in this approved document 7 Performance-based guidance 7 Equivalent area of ventilators 8 Installation of ventilation systems 8 Indoor air quality monitoring 8 Ventilation for offices 9 Ventilation of car parks 11 Ventilation for buildings other than offices and car parks 12 Section 2: Minimising the ingress of external pollutants 15 Control of ventilation intakes 16 Location of exhaust outlets 17 Section 3: Work on existing buildings 18 General 18 Replacing windows 19 v Building Regulations 2010 Approved Document F Volume 2, 2021 edition O N L I N E V E R S I O N

Edition and local adoption determine which requirements apply. Use the publisher’s document for the complete clauses, diagrams and amendments.