The insulation of cold room are covered by SII, PVC colored steel or stainless steel plates, which are injected with foamed PU. The insulation of cold room are covered by SII, PVC colored steel or stainless steel plates, which are injected with foamed PU. Thickness of panel: 60, 70,100,120,150,180mm. Standardized panel is in width of 960mm, in length of 2000mm until to 12000mm.