CLOSING SYSTEM FOR THROUGH-OPENINGS

摘要

The invention relates to a system comprising: a quick-opening door provided with a vertically movable flexible panel (1) and mounted on a pair of vertical guides (3) attached to a wall wherein a through-opening (H) is defined, and a fire door (6) that can be moved between an opening position and a closing position of the through-opening (H). The vertical guides (3) of the quick-opening door comprise: a fixed lower part (31), and a mobile upper part (32) which is arranged above the through-opening (H) and movable between a lower position and an upper position wherein it is at a distance from the fixed lower part (31), jointly defining therewith a hole for the arrangement of means for closing the space between the wall and the fire door when the latter is arranged in the closing position.