Air Pressure, Sound Testing and Air Testing Services UK

Head Office: Sayells Farm, 7 Harlington Road, Upper Sundon, Bedfordshire, LU3 3PE
Tel: 07967 233836 or 07775 623464
Offices in London, Luton and Cardiff

Who We Are

Our Services

Why Air Testing

Why Acoustic Testing

Why Thermographic




Retrotech High Power Door Fan


A UKAS Accredited Company

Accredited to ISO/IEC 17025:2005

For Air Tightness & Sound Insulation Testing

Registered in England & Wales No. 527550


Air Pressure & Air Testing Services

Air Tightness Testing
Air Pressure Testing Ltd offers a complete range of technical Air Tightness testing, Air Test, Thermographic surveys and consultancy services to help clients gain compliance to Part L.

If you have any specific requirements that are not detailed, please contact us at we should be able to help whatever your query/question may be if you don’t know the answer we usually do!

Note, Air Pressure Testing offers both Air Leakage & Acoustic Testing and would be pleased to offer advice and help on how to comply with both Air Tightness and Acoustic specifications.

Complete Breakdown of Our Acoustic Services <view range of acoustic services>

Fire & Room Integrity Testing
Enclosures protected by gaseous fire suppression systems should tested for air-tightness upon commissioning of the system and annually thereafter. This is critical to ensure that the system will work effectively when activated; too much air-leakage will result in the concentration of the fire suppressant agent falling too quickly. Air Pressure Testing provide the necessary Room Integrity Testing to the required NFPA 2001 or ISO 14520 methodologies <read more>.

Air Pressure Testing’s Services Capabilities
In depth knowledge and experience helps Air Pressure Testing solve complex air leakage problems qualifies Air Pressure Testing to specify envelope seals at design stage that will have the necessary design life and be fit for purpose. Various factors have to be taken into account including requirements for thermal insulation, wind loading, adhesion, condensation risk, fixings and so on. The overall plan layout and operational characteristics of the building can also be looked at to ensure that the air tightness requirements are met when the building is open and operational. Drawing on our knowledge at the earliest stage is the most cost effective way to ensure that the project complies with Part L and that the air tightness works last for the design life.

Air Leakage Tests - carried out to ATTMA TS1
Air Pressure Testing has very comprehensive resources for carrying out air tests in the UK, in terms of air testing kit and staff. Air Pressure Testing can supply a range of fans to suit testing from the smallest dwellings up to the largest commercial buildings. These are all operated by Air Pressure Testing’s experienced site teams who have many years experience of air tightness testing and related works. All Air Pressure Testing’s works are carried out to ATTMA and CIBSE standards, which is a minimum requirement for Part L 2006.

Our compact and portable fans are easy to set-up in sets of 1-3 and capable of being used in very restricted areas, this has helped our many clients in areas such as city centers etc. When doubled up these fan sets though portable are still capable of testing buildings up to the largest distribution centers.

All Air Pressure Testing’s air test rigs come self contained with their door screens, each Air test rig has its own smoke testing equipment, enabling the site team to investigate potential problems there and then. All Air Pressure Testing’s air leakage testers have good experience of air sealing, they are particularly adept at finding where buildings have problems which potentially reduces costs due to not having to pre-book and pay for smoke tests that may not be required.

All Air Pressure Testing’s fan units can both pressurise and depressurise buildings, helping enormously in locating air leakage paths.

Air Pressure Testing’s Thermographic surveys can be undertaken whilst a building is depressurised this helps identify where air tightness needs improving. Air Pressure Testing will forward the survey results in a clear easy to follow format allowing you to undertake what ever remedial action is necessary.


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