Construction.476 2020-09-20by Antony Templier126 Views Written by Antony Templier Renovation of a ruin into a bioclimatic house, creation of walls with the GREB technique. Project Data Place:Saint-Genès-Champanelle Completion:2015-12-31 Construction:Tunnel (GREB technique) with counterfacing mortar Visitable:No Press photos:No Living Area:120m2 U-Value (Wall):W/m2K U-Value (Roof):W/m2K Categories: Projects France, Renovation of a ruin into a bioclimatic house, creation of walls with the GREB technique.