Robert Johnston from Clayblock talks to us about Porotherm Clay Block in Ireland. (First aired at Selfbuild Virtual Event January 2021).
Porotherm Clay Block in Ireland – Clayblock
![](https://selfbuild.ie/wp-content/uploads/2021/03/clayblock3-758x522.jpg)
Robert Johnston from Clayblock talks to us about Porotherm Clay Block in Ireland. (First aired at Selfbuild Virtual Event January 2021).