Construction.140 2020-09-20by Antony Templier130 Views Written by Antony Templier Insulated house in GREB technical straw bale. Project Data Place:Saint-Bueil Completion: Construction:Tunnel (GREB technique) with counterfacing mortar Visitable:No Press photos:No Living Area:160m2 U-Value (Wall):W/m2K U-Value (Roof):W/m2K Categories: Projects France, Insulated house in GREB technical straw bale.