Closing system for through openings

Closing system for through openings, comprising:

• a quick opening door having a vertically moveable flexible panel (1), connected to an actuating motor driven drum (2) and mounted on a pair of vertical guides (3) secured to the wall or surface in which the through opening is defined, including:
• a fire door (6) mounted with possibility of displacement between an opening position and a closing position of a through opening (H) defined in said wall or surface;
• wherein the vertical guides (3) of the quick opening door are provided with:
• a fixed lower part (31), covering the height of the through opening (H) and;
• a mobile upper part (32), located above the through opening (H) and vertically moveable between:
• a lower position in which it is close to the fixed lower part (31) and an upper position in which it is at a distance from the fixed lower part (31);
• wherein the fixed lower part and the mobile upper part define an opening for the arrangement of means suitable to establish on the through opening (H) the closing of the space comprised between the wall and the fire door when this latter is arranged in its closing position.