Construction.92 2020-09-20by Antony Templier115 Views Written by Antony Templier Change in the course of the project: from the traditional with a mason friend, to do alone. Project Data Place:Donnery Completion:2008-05-01 Construction:Tunnel (GREB technique) with counterfacing mortar Visitable:No Press photos:No Living Area:110m2 U-Value (Wall):W/m2K U-Value (Roof):W/m2K Categories: Projects France, Change in the course of the project: from the traditional with a mason friend, to do alone.