The PVC curtain is the ideal system in open passages with high level of traffic by maximizing the space available. It is the most economical closing system which requires the least amount of maintenance. Its simple installation and simple operation make it suitable for any area. It can be installed in areas of high humidity as well as areas of low temperature. Moreover, they have an easy fastening system which allows a 90º turn in both directions, due to the individual connection of slats to the rail. It is simple to assemble and maintain. In addition, the overlapping of the slats makes the curtain a good solution for keeping the area airtight.