Views: 47 Author: Site Editor Publish Time: 2021-09-03 Origin: Site
The door hinges are made of steel. The latest self-closing door hinges withstand extreme heat. If the heat from a fire is detected early on, then the passive spring device, inside the hinge, activates and releases its spring force to close the door while containing the fire. The door hinges also prevent the spread of fire to other areas of the house.
One can find plenty of door hinges in the market that comes in a variety of sizes, styles, and designs. There are two types of doors which are swing up doors and the fixed doors. Swing up doors are those that are hinged either on the left or right side. While fixing doors have the door hinges positioned permanently in its frame. The advantage of using swing door hinges over fixed ones is that swing door hinges allow doors with different styles of wood to be used in them.
Some security door hinges also have spring-loaded safety stops that prevent the doors from falling if the hinges are stuck halfway. In order to prevent accidental closing of the door by children or pets, it is advisable to use one-side ball bearing hinges. One side of the ball bearing moves in only one direction and does not flip up or down hence no accidental closing of doors. For a more secure design, one can go for double ball bearings security hinges.