INDUSTRIAL MAIN DOORS The range of portoni seziona them, only for wealth and variety the portoni seziona them are vertically opened towards the high allowing therefore to save space and behind the portone. The mantle comes riposto in parallel with the ceiling, vertically along the long wall or the inclination of the roof. Series 40 convinces for the only amplitude of the range, the design of tip and the certifyd emergency. The portoni Speed seziona industrial them comes chosen like closing for the barracks of National Fire Department or for the sheds with extremely fast production processes. The shutters and griglie extraordinary roll-up shutters offer to the customer advantages thanks to their construction of brilliant semplicità that demands only little members. The shutters and griglie roll-up shutters need of space limited over the hole masonry, because the mantle bundles up and forms a compact coil behind the architrave. Therefore the ways of race for carriponti can be taken advantage of entire, to maneuver undercarriages elevators with remarkable brandeggio vertical without meeting obstacles and to raise to the maximum bridges elevators, why these can also be developed more up without risks than collision. Portoni to book in steel is advisable in particular for sheds with reduced height of the architrave and in the cases in which an ulterior cargo of the roof is not possible. Of great advantage: the portoni it applies you to the outside allow a better rationalization of the inner space available, avoiding the loss of precious useful space. The program of portoni to book