These are typically used in public buildings where large crowds can move rapidly in the event of a panic. They can be opened from the outside only with a key or card, but from the inside they must be able to be opened with a single movement without any special knowledge. They are typically opened by pushing a panic bar or a special handle, allowing a quick and safe escape for the people inside the building. We offer market-leading steel and aluminium systems which provide reliable, intelligent emergency exit solutions for the long term.