... 28 m² (Full Grating)- Metal Basement350 mm Height- Drive-in Ramps3 Units, each 1800 mm LengthWall and Door - Wall PanelDouble wall panels ... of galvanised steel sheet,thickness 50 mm, inside and ... Roof PanelDouble wall panels of galvanised steel sheet,thickness 50 mm, inside and outside white, insulatedwith non-combustible rock wool ...