Air tightness testing

Air tightness testing is a statutory requirement for new residential and commercial developments of all sizes to satisfy Building Regulations 2010 Approved Document Part L1A for residential and Part L2A for commercial.

The testing undertaken for Approved Document Part L1A and L2A determines whether or not the:

  • Air permeability of a residential property's building structure meets or exceeds both the minimum building regulation requirements and the minimum design requirements;
  • Residential or commercial property has achieved its stated CO2 efficiency rating.

As a scientific test, it is important that those carrying out air tightness testing are both appropriately trained and, use equipment that has a traceable UKAS calibration.

How we can help

Our specialist air tightness testers:

  • Are registered under ATTMA as Level 1 air tightness testers;
  • Always use UKAS calibrated and approved equipment to conduct the necessary tests;
  • Always follow the guidelines laid out in relevant ATTMA Technical Standards;
  • Provide a report on the test results to satisfy Building Regulation requirements.

ATTMA LogoAll Adnitt Acoustics' air tightness testers are registered to carry out Level 1 air tightness testing for residential properties and commercial properties up to 4000m3 gross envelope area under the ATTMA Air Tightness Registered Testers Scheme. 

ATTMA is listed in the relevant Building Regulations as an authorised competence persons scheme for the air tightness testing industry, and is approved by Governments in England, Northern Ireland, Scotland and Wales.

Graham Shaw is the Principal Air Tightness Tester at Adnitt Acoustics. If you have any questions or would like to arrange an air tightness test, please contact Graham.

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