0:05
Metal fire door opening and closing (3).
0:04
Metal fire door opening and closing (2).
0:03
Metal fire door opening and closing (1).
0:26
Wooden door opening and closing, x5.
0:08
Push bar door opening and closing slowly
0:05
Push bar door opening and closing forcefully
0:05
Heavy fire escape door with heavy metal cross-bar latch opened&closed with rattle
0:05
Large fire door or push bar door opened, door opens with rattle