Construction.104 2020-09-20by Antony Templier122 Views Written by Antony Templier Search for autonomy, decreasing, grey energies under control. Project Data Place:Nibelle Completion:2010-04-03 Construction:Tunnel (GREB technique) with counterfacing mortar Visitable:No Press photos:No Living Area:220m2 U-Value (Wall):W/m2K U-Value (Roof):W/m2K Categories: Projects France, Search for autonomy, decreasing, grey energies under control.