Thinking Allowed: Will Kirkman in conversation with Paul Jennings

Will Kirkman of Ecomerchant interviews Paul Jennings of Aldas to discuss the world of air tightness testing and why it is so important to delivering more energy-efficient buildings. With nearly 40 years of experience, Paul is one of the UK's leading experts in air tightness and is also a Director of the UK Cohousing Network. He is an experienced trainer and 'Airtightness Champion' and has delivered many CPD seminars to architects, contractors and housebuilders in the UK and internationally. Paul developed the '12 Steps to Air Tightness' approach to enable the consistent delivery of air tightness for Passivhaus and low energy projects