Fire rated door refers to the door that can meet the requirements of fire stability, integrity and thermal insulation in a certain period of time, together with the frame. Fire doors are one of the measures for the fire separation of buildings. They are usually used for firewalls, stairwell entrance

If you've been wondering how you can improve security in your home and workplace, then the answer is Door Knob Lock Cylinder Systems. There are two types available on the market: Deadbolt and Mortise lock cylinder systems. These both provide a good home and business security.