These doors differ from their traditional wooden counterparts in that they are made of multiple layers of galvanized stainless steel, with concealed hinges, and decorative facade of wood, aluminum or steel. Their designs and sizes vary, however, they combine to be a source of security and safety for the site where they are installed. Thanks to the multiple locking points which are nine points per door, making it impossible to be opened without their encrypted, difficult to copy keys. In addition, these doors stuffed with heat-resistant rock wool insulation for 60-120 minutes, and a rubber frame to protect from dust and water.

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