This makes possible the metal grating elements, which are made with steel sheet and dour set in size and shape according to the level of ventilation and the environment where it will be decided door.
The door itself is made entirely with a layer of galvanized steel sheet 1:35 mm thick, and painted with powder paint by an electrostatic coating system. Then door painted in this way passes baking process in temperata 160-180ยบ furnace, where the process of calcification of ink completely closed to obtain a surface with very good properties against corrosion and scratch.
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