The door with two hinges Well, or 3 and also ah
Door and hinge generally with two, also useful three.
If the room doors are heavier, or the use of aluminum alloy and other metal materials to open the door with two hinges, then a long time, the whole door easy to fall, the door is easy to use, When pushing the door, the lower corner of the door is easy to scratch the floor, there are harsh sound, not only may damage the floor, and sometimes also off the door.
Therefore, if it is metal doors or doors heavier, it is best to use three hinges more reliable, easy to use.
Generally the first feeling is not the more the better ah, but you ignore the fact that "two points to determine a straight line", the two hinge is stable enough.
Usually are installed 2, but depends on the weight of your door, and then there is to see the quality of the hinge is good, the weight of the door as long as more than 100 pounds, the best installed 3.
In general, or two good two-point line 3 have a difficult! Useless affect the appearance
If the door is relatively heavy, or three more secure, load-bearing capacity to strengthen. Installation is not a problem.
