Look out for these air leakage paths to pass air tightness testing

Pass Air Tightness Testing – Common Air Leakage Paths In Dwellings

Under Building Regulations Approved Document (AD) L1A there is a mandatory requirement for air tightness testing to be carried out on new residential dwellings (houses and flats). Why You need to Complete Air Tightness Testing AD L1A sets out the criteria regarding the sample of dwellings to be tested, which depends on the size of […]

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