The Air Barrier Association of America (ABAA) is a national, not-for-profit trade association comprising a broad cross section of stakeholders in the building enclosure industry. Their membership, which is over 650 member companies, includes manufacturers, architects, engineers, trade contractors, researchers, testing & audit agencies, consultants and building owners. ABAA is the national voice of the air barrier industry and the number one resource for anything to do with air and moisture barriers.