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Overview
Glazed vision panels are often used within door leaves to let
light into a room, for aesthetic reasons or for safety (i.e.
allowing people using the door to be seen).
Vision panels should be towards the leading edge and with
vertical dimensions including at least the minimum zones shown,
either with or without a horizontal rail.
All entrance doors and doorsets, doors across corridors and
within lobbies, and where appropriate internal doors require
vision panels for door leaves and side panels wider than 450mm.
Visability requirement for doors
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