Apparently it is a normal internal door but the elegance of the finishes hides an impenetrable soul: Silence Dierre is a closure for internal Armoured designed to ensure peaceful sleep for the inhabitants of the house. For the bedroom, the passage between the house and the garage and, in general, to make the room where the most precious memories are kept really safe. That of the Silence door is a security system easy to use: To close (both from the inside and from that external) in fact, just rotate the handle upwards,
thus snapping the bolts. Only to open it from the outside you will have to use the key, while from the inside it will be sufficient to operate the handle normally.
More information about: http://www.dierre.it