Steel Doors

Steel doors are manufactured from strong steel. However, they are not entirely made of solid steel. In fact, a steel door is a polyurethane or polystyrene core coated with a thin skin of steel material. They are commonly used for industrial and commercial purposes, A steel door is not solid steel. Steel doors are comprised of either a polyurethane or polystyrene core with a steel skin over the top. A solid steel door would be prohibitively heavy and would most likely tear out the hinges. Steel between 16 and 24 gauge is used for the skin of the door, Steel doors can be used both as interior and exterior doors. They have a high abrasive resistance, as in, they are less prone to external weather and moisture. Steel doors in residential buildings have a steel casing on top of a polyurethane material to bring down its weight and as well as provide a sturdy build.Cold-rolled steel is formed into door panels and painted. For greater corrosion and rust resistance, galvanized steel may be used to fabricate the door, but this is also painted. Stainless steel is used in areas where corrosion is a serious problem or sanitary standards must be met.A door is an accessible barrier which is provided in a wall opening to give an access to the inside of a room of a building. The internal portions of a building are connected by doors. Types of Doors Used in Building Construction. 1. Battened and Ledged Doors