Metal doors are type of doors which are made of metal sheets usually with insulating material sandwiched in between. They are strong and durable compared to wood doors and can provide an added security to any building.
Metal doors are usually made from steel, aluminum and copper.
Steel doors are made of pressure-injected polyurethane foam sandwiched between two sheets of heavy-gauge, galvanized steel. The foam provides strength and bonds to the steel except in glassed-in and etched areas. The doors can be embossed for texture and are often finished with a vinyl or baked polyester coating.
Aluminum doors are mainly used as patio doors. Due to their light weight, they are ideal for use as sliding doors. Their baked-on finish are easy to clean and do not fade from exposure to sunlight and other elements.
Coppers doors are chosen for their patina. Patina is the a film or color on the surface of copper produced by oxidation over a long period of time.
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