... Calcium silicate board(face panel) + Cement and EPS(core) Lightweight Concrete Sandwich Wall PanelMost Advantage:Energy-saving, light weight, environmental ... of panelUsage: It can replace construction materials as red brick, clay solid brick,color-coated steel sandwich board, gypsum block, wire ... , we shall with highly pleausre to service for you.:-) Lightweight Concrete Sandwich Wall Panel 75mm(CE)