Airtightness, Breathability and Condensation Risk in Buildings

Date: Wednesday 26th April 2023   Time: 12:30-14:00   Location: Online (Zoom)

Join ASBP and members of our Natural Fibre Insulation Group for another deep dive online training session, exploring the important relationship between airtightness, breathability and condensation risk in our homes and buildings.

Find out how natural fibre insulations can help to maximise energy efficiency and optimise indoor air quality, whilst ensuring the durability of the building fabric.


Mark Lynn

Mark Lynn

Managing Director / Chair
Thermafleece (Eden Renewables) / ASBP
Neil Turner

Neil Turner

UK Technical Sales Manager
Ecological Building Systems
Umendra Singh

Umendra Singh

Technical Expert - Bio‑based Systems


12:30 Welcome from ASBP and recap of previous NFI events – Richard Broad, Projects & Communications Manager, ASBP

12:35 An introduction to breathability – Dispelling misconceptions and key factors to consider  – Mark Lynn, Managing Director, Eden Renewable Innovations Ltd

12:55 Breathability and airtightness explained – Neil Turner, UK Technical Sales Manager, Ecological Building Systems

13:20 Condensation risk analysis and when to use dynamic simulation tools – Umendra Singh, Technical Expert – Bio‑based Systems, Soprema

13:40 Q&A

14:00 Close

Key details

Date: Wednesday 26th April 2023

Time: 12:30-14:00

Location: Online (Zoom)


  • Free for ASBP members
  • Free for architects, designers and specifiers!
  • £20 +VAT for members of partner orgs*
  • £30 +VAT for non-members

*ACAN, AECB, Building Performance Network, BWF, CIBSE, Fit for the Future, FIS, Good Homes Alliance, natureplus, Retrofit Works, Passivhaus Trust, SuperHomes, STBA, The Green Register and Woodknowledge Wales.


Kindly supported by

ASBP Natural Fibre Insulation Group

Ultimate Insulation Supplies

Icons by Freepik.

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