If the vision panel is fire protective glass such as safety wired glass and safety ceramic its size is limited to no more than 100 square inches whether or not sprinklers are present.
Standard vision panel door.
Door size 2040 x 926 x 54 height x width x depth.
The vision panel bead design is generally a bolection type bead in fire applications although flush beads can be provided as shown.
Docm indicates vision panels that comply with the uk document m standard requiring a zone of visibility between 500mm and 1500mm from the floor.
The 2012 ibc model building code contains size limits for vision panels in a 60 or 90 minute door.
To create the maximum vision panel size incompletion the formula is as follows.
This calculation below is the max height for allowance.