WELDING of PVC banner by the impulse technology that allows to make a welding of over 5 meter length without showing any joints in a very short cycle time and saving costs. The welding is accurate, without folds and does not damage the material even if printed. You can weld two overlapping flaps of material between them, or create the side pocket used as reinforcement. The impulse welding technology is not dangerous at all and is completely environmentally safe.