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Diathonite - The Theory

A 1 hour CPD looking at how to insulate old buildings while maintaining vapour permeability with a specific focus on Diathonite Insulating Plaster

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Diathonite -  The Theory
Diathonite -  The Theory

Time & Location

27 Apr 2023, 13:00

Online event

About the Event

Internal insulation will change the nature of the  wall and the way the building performs, which if not  well-thought-through can create more problems than benefits.  By  attending this 2-part virtual event, you will have the opportunity to  learn more about all the parameters to be considered in relation to  internal wall insulation, as well as the solutions and materials needed  to safely and effectively insulate solid stone and brick walls in  traditional buildings.

SESSION 1: Thursday 27th April 2023 – Internal Wall Insulation on Solid Walls Part 1: The Theory

  • Retrofit strategies: adopting a whole house approach
  • The importance of moisture management: primary drivers of moisture ingress
  • Building physics and how the wall functions before and after applying insulation
  • Avoiding thermal bridges
  • Understanding breathability
  • Insulation strategies using diffusion open materials to ensure structural safety and longevity
  • Introducing Diathonite thermal plasters
  • Summary

SESSION TWO: Thursday 4th May 2023 – Internal Wall Insulation on Solid Walls Part 2: Practical Application

  • Diathonite Thermal Plasters (Evolution & Thermactive)     
    • Hand application
    • Spray application


  • Diasen Finishing Plasters     
    • Argatherm (and Mesh) application
    • Argacem Ultra Fine application


  • Thermal Performance of Diathonite System
  • Case studies and discussion
  • Summary and close


The session is hosted by Ecological Building Systems UK and will be presente by Dave and Niall, their inhouse technical team.

There will be an opportunity to ask questions at the end of the session.


  • Diathonite - The Theory

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