Construction.358 2020-09-20by Antony Templier128 Views Written by Antony Templier Column/beam extension and GREB technology. Project Data Place:Sainte-Anne-sur-Brivet Completion:2018-02-07 Construction:Tunnel (GREB technique) with mixed mortar/plate Visitable:No Press photos:No Living Area:40m2 U-Value (Wall):W/m2K U-Value (Roof):W/m2K Categories: Projects France, Column/beam extension and GREB technology.