Construction.861 ago 4 monthsby Antony Templier104 Views Written by Antony Templier Key dataCity:GrillonCompletion:2019-05-01Type of Construction:Tunnel (GREB technique) with counterfacing mortarPossibility to visit:NoPress photos:NoResidential acreage:230m2U-Value (Wall):W/m2KU-Value (Roof):W/m2KCategories:Straw Bale Houses in France,