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A vision panel is a small window in a door which allows people to look through without opening the door. Vision panels are sometimes in walls, generally adjacent to a door.
These have implications in safety, primarily to avoid opening doors on a person coming the other way, but also in case of fire to avoid opening a door onto a fire.
They should be used on doors which open both ways, and doors which subdivide corridors.
In a
A vision panel is a small window in a door which allows people to look through without opening the door. Vision panels are sometimes in walls, generally adjacent to a door.
These have implications in safety, primarily to avoid opening doors on a person coming the other way, but also in case of fire to avoid opening a door onto a fire.
They should be used on doors which open both ways, and doors which subdivide corridors.
In a fire door
A fire door is a door with a fire-resistance rating (sometimes referred to as a ''fire protection rating'' for closures) used as part of a passive fire protection system to reduce the spread of fire and smoke between separate compartment ...
it is important that the vision panel is rated at the same level as the fire door requirements, otherwise the vision panel will fail before the rest of the door.
The height of the panel needs to take into consideration the viewing level of users, for example those in wheelchairs or children. As a consequence panels are often long, or, in the case of wall viewing panels, floor to ceiling.
The UK Building regulations say:
See also
*Door furniture
Door furniture ( British and Australian English) or door hardware (North American English) refers to any of the items that are attached to a door or a drawer to enhance its functionality or appearance.
Design of door furniture is an issue t ...
References
{{Use dmy dates, date=August 2019 Passive fire protection