The Green Register - Airtightness: It’s all in the detail – Solutions, Build Types & Critical Junctions Session 2 of 4
Airtightness in detail for designers and builders.
Following the successful launch of this series of airtightness events last year, we're pleased to again provide this essential and popular training, consisting of four events running every Wednesday in October, in partnership with The Green Register. The series will cover all aspects of airtightness with each session lasting 2 hours and these can be attended individually or as a whole.


8th October
Date and time
8th October 2025
9:00am - 11:00am
Location
Interactive Online Training
Description
Session 2 will examine achieving airtightness at specific junctions in new build and retrofit projects, referencing different build types including Timber Frame, Masonry and CLT construction presented by Ilias Igoumenidis and Dave Judd from Ecological Building Systems. Onsite preparation will also be discussed with common tools, bespoke solutions and site practices all being explored including the main airtightness layer, openings, service penetrations and structural connections.
Speakers

Ilias Igoumenidis
Technical Support Engineer (MEng Civil Engineer, CEPHD)
Born and raised in Greece, Ilias graduated from the Polytechnic school of Civil Engineers of Patras University and for many years ran his own Design and Construction company prior to joining Ecological. Since 2013, he has been heavily involved with low energy consumption in building projects. He was the first person in the Hellenic Passive House Institute to gain the International Certification of a Certified Passive House Designer. Ilias played a significant part of the first Certified Passive House project (Enerphit) in the south eastern Mediterranean area “Passivistas”.

Dave Judd
Technical Specification Advisor (BSc Hons, MSc)
Dave has extensive experience with energy efficiency retrofits and is well acquainted with the “fabric first” principles of integrating airtightness and insulation in both new-build and existing buildings. He has also worked within the domestic renewable energy sector, with the main emphasis on solar PV, solar thermal and biomass systems. He has a Degree in Environmental Science and an MSc in Architecture: Advanced Environment & Energy Studies and recently qualified as a Certified Passive House Tradesperson with the Passive House Institute. Outside of work, Dave enjoys trail running and cycling, growing vegetables and being sociable.