The collapsible gate Fortis is a certified class-2 safety device suitable for protecting doors and windows of residential houses, shop windows and office big windows. It folds up to completely free the passage and when closed it allows optimum ventilation and visibility. Available in a single leaf, double leaf and with a fixed frame, it can be easily suited to various installations and needs. The fixed or mobile upright consists of an AISI 304 BA stainless steel inner profile. The outer parts of the mobile and fixed uprights, the upper and lower guides, the compensating profiles and the lock are in varnished extruded aluminium T6060. When open the retracted gate occupies a space equal to 15-20% of its total width. But in order to completely free the entrance, the retracted gate can be concealed inside a shutter-box or it can be rotated by 180°. Also available in class-3 burglar resistance.