Basic concepts to understand insulation and airtightness

In this article, we cover:

  • What is insulation
  • How much insulation is the right amount
  • What is airtightness and the importance of venitatlion
  • What is condensation and thermal bridging and how to avoid them
  • What the building regulations have to say about insulation and airtightness
  • The difference between NZEB and passive house
  • Why you need an energy assessment
  • What is thermal imaging
  • What is an energy rating
  • Dealing with chimneys


Written by Astrid Madsen

Astrid Madsen is the editor of the SelfBuild magazine. She previously held the same role in an Irish trade publication, before that she worked at the National Standards Authority of Ireland. She graduated with a BA in Urban Studies from Columbia University in New York and holds an MBA from the Instituto de Estudios Bursatiles in Madrid. France of origin, she now lives in Portarlington, County Laois, where she's taken on the task of renovating a listed building! Email

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