Nowadays, technology manufacturing doors are developing rapidly, and high-quality wood door is almost equal to a metal door, but still in some cases, metal doors are much more convenient and practical. Metal doors – this strength is well known that the metal doors of even minimal configuration ensures sufficient protection against intrusion. Consolidating them a little more and provide quality lock You can be sure that your home does not penetrate even after the explosion and burglary attempts. And all thanks to the fact that for the manufacture of fabrics such doors used Super-metal thickness of not less than 3 mm. Double door (with plates welded on both sides) are well protected from the cold. In contrast to the wooden construction of metal doors is that the fabric is dense (and often overlapping) adjacent to the frame, thus isolating the premises and virtually eliminating third-party sounds, smells and drafts. Number of locks that are installed on metal doors, must be at least two: one lock significantly reduces its protective properties. Specialists recommend a metal door locks installed several types, such as cylindrical and lever. Metal doors special rooms in need of special protection, supplying the same: complex multilevel system of lock (mechanical locks of different types with different spacer systems, electromechanical locks – stealth, night latch, etc.), armored plates and plates to protect the locks alarm system, electronic access control. As a result, you get a perfectly sheltered from the cold, wind, noise, housing and durable, resistant to breaking and entering the metal doors.