Thermo door for a balcony is extremely functional, long-lasting and goes together with both interior and house facade. The door of the balcony stands out by a lighter construction and low doorstep, adapted for the entrance to the terrace. A double sided door pull handle might be additionally installed which allows locking the door from inside and outside. The inward and outward opening and closing options are available. This system is often used for entrances to the balconies and terraces, as well as for different purpose builings.