Contents

• Foreword
• 14 -16 September 2020 – 41^st AIVC & 9^th TightVent – ASHRAE IAQ joint conference in Athens, Greece
• AIVC Ventilation Information Paper no 40 “Ductwork airtightness- A review”
• TAAC news
• TightVent-AIVC Webinars on durability of airtightness – Recordings available
• AIVC- TightVent project: Integrating uncertainties due to wind and stack in declared airtightness results
• Durabilit’AIR project: Feedback and follow up
• Guidelines for airtightness measurements of high-rise buildings
• Product news from our partners