Construction.163 2020-09-20by Antony Templier139 Views Written by Antony Templier Insulated house made of straw according to the Greb technique, sarking method roof with 30 cm of wood fibre. Project Data Place:Messery Completion: Construction:Tunnel (GREB technique) with counterfacing mortar Visitable:No Press photos:No Living Area:100m2 U-Value (Wall):W/m2K U-Value (Roof):W/m2K Categories: Projects France, Insulated house made of straw according to the Greb technique, sarking method roof with 30 cm of wood fibre.