Contents:
- Foreword
- Ductwork leakage in Portugal
- The airtightness workshop, 28-29 March 2012
- The 2012 AIVC-TightVent conference, 10-11 October 2012
- BUILDAIR Symposium
- Soudal wins ‘Entrepreneur of the year 2011’ award
- Feed-back from 1st webinar
- Growing awareness for the significance of air infiltration in American houses
- ISO 9972 revision status
- TightVent welcomes BlowerDoor and Retrotec as new members