The Air Tightness Testing & Measurement Association (ATTMA) represents accredited air-tightness testing organisations; it is the UK's most respected voice on the subject of air-tightness in buildings and dwellings...
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Our membership comprises of air-tightness testing organisations that are audited and certified to carry out Air Tightness Testing to relevant Building Regulations
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Find an ATTMA Member
All members of ATTMA are independently audited and certified, with a scope covering air tightness testing to the ATTMA Technical Standards (TSL1 & TSL2) and BS EN:13829 (2001), demonstrating knowledge and understanding, which enables them to test both commercial and domestic developments in accordance with relevant building regulations.