Color-Coated Steel Sandwich Panel 1. Light weight 2. Good insulation against heat and sound ... economi Color-Coated Steel Sandwich PanelThe material of sandwich :Polystryrene(EPS)Uses: widely used in villa, industrial workshop, warehouse, icy house ... : 22-250mmLength: tailor madeWidth: wall panel 1,200, 1,150, 1,000, 950mm; Roof panel: 950mm Color-Coated Steel Sandwich Panel EPS panel Steel sandwich ...