Unlike Their «Wooden Brothers», Metal Doors, Have Several Advantages. They Are not Afraid of Insect Pests, Moisture, Mechanical Influences, As Well as Corrosion. One is Worth Giving Preference Really Only to Professionals. SINCE with IMPROPER Installation, Problems May Arise, Due To Which, Even The Highest Quality and Perfect Doors, Will Turn Into Manve InConency in Operation in Operation.