Dec. 7, 2021

What are the environmental impacts of building with Straw? - John Butler - BS064

What are the environmental impacts of building with Straw? - John Butler - BS064
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John Butler is back for another episode, this time focussing on 'natural' materials and their whole life carbon. 

Topics include:

  • What natural means, is it a useful descriptor? 
  • The results from a new UK Straw Bale Environmental Product Declaration (EPD) 
  • Is there enough straw to build a reasonable quantity of homes with? 
  • Why is John called the woodlouse? 

This episode has associated graphs to peruse on the BSP website:

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John Butler

Conduit of geek

Certified Passivhaus Consultant and AECB Carbonlite Retrofit graduate.

Hands-on experience of retrofit and new-build, combined with technical and theoretical knowledge of materials, thermal comfort, building physics, and environmental impact of construction.

Background: a long term interest in sustainability led me from my past career making pots and building kilns to a low-energy self-build retrofit project. It was a rapid introduction to sustainable construction, and the factors affecting material and design choices.

From there I went on to an MSc in Sustainability Adaptation and the Built Environment, from the Centre for Alternative Technology’s (CAT) inspiring Graduate School of the Environment. I have returned regularly to CAT as a visiting lecturer and workshop leader on the MSc and MArch programs.