Ventilation Testing

What we do

Air Leakage Testing Ltd undertake air flow measurements of background extraction ventilation for Part F requirements.

Requirements

Ventilation is key in controlling moisture and pollutant levels in any building, if the ventilation is not sufficient it can lead to an unpleasant living environment and in the longer-term problems with the building and/or health issues.

Although extract vents claim a level of air flow based on laboratory testing this does not guarantee they will achieve this in practice due to various issues but most commonly the installation. Therefore, Approved Document F (Ventilation) requires background ventilation to be tested after installation meets the requirements:

Cloakrooms:
Bathrooms:
Utility Rooms:
Kitchen:

6 litres/second
15 litres/second
30 litres/second
30 litres/second (when fitted adjacent to the cooker hob, this increases to 60 litres/second when fitted away from the cooker hob).

How it works

The testing is done using a hood placed over the extraction fan which channels the air the fan draws through a calibrated anemometer which measures the air flow.

The testing is best completed in combination with air or sound testing to minimise the costs.

© Air Leakage Testing Limited 2018

7 Lawson Way, Aylesbury, Buckinghamshire, HP18 0UW

Tel: 01799 540220 – Email: info@airleakagetesting.uk

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