ATTMA Registered Air Tightness Testing


Air tightness testing, also known as air leakage testing or air permeability testing, establishes the rate at which air leaks out of a building. It has been a mandatory part of the Building Regulations for new build and refurbishment projects since Approved Document L was revised in 2006.

Why Choose Us For Your Air Tightness Testing?

Our Air Tightness Testing is registered with ATTMA, a professional association dedicated to promoting technical excellence in all air tightness testing and air leakage measurement applications.

Real-time Reporting: We guarantee that the formal report will be with you the next working day. We can also provide you with immediate report in real time if your requirement is particularly urgent.
Support: If your site fails, we won’t walk away. We’ll talk to you and your site manager and offer advice on what you need to do to pass the air permeability test. With our input, in many cases it will be possible to fix the problem on the day
Short-notice requests: Our experienced engineers can be on your site within 3 working days. With notice, we can also test at weekends if you need us to. There will be an extra charge for this service.
Pre-testing inspection and advice: To give you the best chance of success, one of our highly experienced consultants will inspect your development and advise your site manager about any problem areas that could cause you to fail the air permeability test.
Plot Specific Quotes: We'll provide you a plot specific quote and advise if you can do less testing.
Cost-effective: you’ll receive lower prices with our Combined Package when sound insulation testing and air tightness testing are combined on the same visit.

For further details, and to understand where leakage is most commonly found, visit our frequently asked questions section. You can also download a PDF checklist for your reference.

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Air Tightness Testing

Regional Engineers

  • North East London
  • North London
  • East London
  • South East London
  • South West London
  • Kent
  • Surrey
  • Buckinghamshire

Contact Us

Head Office

Site Sound Ltd

The Old Stabling
55 Bradbourne Rd
Sevenoaks
TN13 3PZ
Tel : 01732 46 10 82
Out of hours : 07770 99 88 77
Email : info@site-sound.co.uk

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