Building air tightness



	Building Services Engineers


Building air leakage testing

New buildings must be tested for air leakage in order to demonstrate compliance with Part L of the building regulations. Our service: At the design stage, we can advise on the air leakage standards to be met and how best to meet them. For housing developments, we can advise on how many dwelling types there are and how many of each type need to be tested. We will carry out airtightness testing in accordance with the procedures defined in ATTMA Technical Standard 1. In the event of a failure, we will, if required, carry out a smoke test or thermographic survey to identify air leakage paths. Response times depend on work load but are usually feasible within 72hours. FAQs: Q: What do we need to prepare for your visit to site? A: External doors and windows fitted. Otherwise, all we need is access to the property. Q: Does the dwelling have to be empty for the test? A: No. Other trades can continue to work provided external doors and windows are kept closed. Q: Will the testing damage any of the internal finishes? A: No. The testing is a completely clean process. Q: How long does a test take? A: A test on a dwelling usually takes one hour to complete. Q: Will we know the result at the time of testing? A: Yes a pass or fail can be given on completion of the test. Q: How long will it take t receivve out test certificate? A: Certificates are usually issues within 48 hours (24 hours by email).


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