... heat and sound 3. Easy to construct and economi Color-Coated Steel Sandwich PanelThe material of sandwich :Polystryrene(EPS)Uses: widely ... , warehouse, icy house and cabin.Thickness:Thickness of the color coated sheet: 0.35-0.80mmThickness of core material: 22-250mmLength ... ,200, 1,150, 1,000, 950mm; Roof panel: 950mm Color-Coated Steel Sandwich Panel EPS panel Steel sandwich panel