Door leaves and side panels that are in excess of 450mm wide must be provided with viewing panels giving a zone of visibility between 500mm and 1500mm from floor level as illustrated below.
Vision panels in fire doors regulations.
Vision panels are needed where doors on escape routes sub divide corridors or where any doors are hung to swing both ways.
For reasons of security door leaves and side panels wider than 450mm have vision panels towards the leading edge of the door whose vertical dimensions include at least the minimum zone or zones of visibility between 500mm and 1500mm from the floor if necessary interrupted.
In addition it also provides guidelines on the testing standards for the fire properties of building elements and components fire safety.
Glazing may range from a small vision panel in a door to a glazed screen for maximum light transmission and safety.
A vision panel is something you can see through.
Doors gates should be constructed in accordance with a indoor leaves and side panels wider than 450mm include vision panels towards the leading edge of the door to provide as a minimum the zone or zones of visibility shown in diagram 10 1 fzd0519 1.
Ordinary glass cracks when exposed to heat and is liable to fall out fairly early in a fire.
Note also the provision in approved document m access to and use of buildings concerning vision panels in doors across accessible corridors.
Ada section 404 2 11 requires that at least one of the vision panels in a door and sidelites adjacent to a door be no more than 43 inches 1090 mm above the floor line to provide visibility and safe access for all.
Ad k6 section 10 2 hazards on access routes.
Below are the most popular styles however other designs can be accommodated.
Building planning regulations 41 41a 41b 41c and 41d which include the requirements for fire resisting construction means of escape and means of access for firefighting and rescue to buildings.
The vision panel may be a single panel or may be interrupted between 800mm and 1150mm to accommodate a horizontal mid rail if necessary.
Building regs approved document b requires vision panels in doors so that you can see if there are signs of fire on the other side.
Glazed vision panels are often used within door leaves to let light into a room for aesthetic reasons or for safety i e.
Unless it can be argued otherwise in the access statement e g.
We provide the option with our nfr fd30 and fd60 fire doors to install a fire safe vision panel in an almost never ending choice of designs.
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.
Vision panels exceeding 100 square inches in 60 and 90 minute doors require fire resistive glazing.
Fire door vision panels.
Eg in the door to an inner room so the occupant s can see if there are signs of fire in the outer room.