Door, one of the main elements of the house.

Door is a field that can be opened and closed, which is part of the wall panel. The door is part of the circulation path from one room to another room. Understanding the function, then in general the door must be strong and robust, given that the doors are often driven to be opened and closed.
For gate-which is located outside the room, there is an additional requirement, that is a strong need to influence the weather. Heat and rain affect the decrease kembangnya gate material. Therefore, the structure and the gate material must be more robust than the door in the room. Material that is quite resistant to the weather is iron that has been dilapis substances with anti-rust. When the construction of doors and hinges strong enough to function properly, the gate can open and close smoothly.