Cold room insulation material mostly are using PU sandwich panel.

PU sandwich panel is made by two surface sheet and injected PU foam. Surface material could be stainless steel or aluminum alloy or color steel sheet.

The insulation layer of the cold room can also be made by spraying PU foam, which will be coated on the concrete cold room wall or steel structure cold room wall.

The thickness of PU sandwich panel is from 100 mm to 200 mm. Thickness can be customized.