Construction.31 2020-09-20by Antony Templier131 Views Written by Antony Templier Single-storey house GREB method on BBaB studs, sheep’s wool roof. Project Data Place:Vinsobres Completion:2013-06-01 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, Single-storey house GREB method on BBaB studs, sheep’s wool roof.