Known as arch (also known as apainelado ARC) to the type of symmetric lowered arch formed from it, with the addition of small arches on the ends; arches that have their Center in the line of fascia to get them a rounded shape. Consisting of three, five or more arcs of circles consecutive, always odd. The intrados has a form similar to the one of the ovals or semi-elipses.


This entrance gate has entryphone. The difficulty to pass the cable from the wall to the strike, on a two-leaf door, fix it by installing two electrical connectors. One of them installed in the siege of the door and the other on the leaf of the door, so that, whenever the passive leaf is closed, they are connected and the current passes until the strike, allowing their opening.