Building directory signs

A directory board is the first thing a visitor reads and the last thing anybody updates. That combination is why so many lobbies contain a handsome, expensive sign that is quietly wrong.

This covers what the formats cost, how many names each one holds, and what to do about the part that keeps changing.

What is a building directory sign?

A building directory sign lists what is in the building and where to find it. Tenants by floor in a commercial block, departments in a hospital, practices in a medical centre, teams in an office.

It does a job no other sign can. Directional signs tell you which way to turn once you know where you are going. A directory is where the visitor works out where they are going in the first place, which is why it belongs at the entrance and why its accuracy matters more than any other sign in the building.

The four formats

They differ mostly in what it costs to change a line, which turns out to be the number that matters.

• Fixed engraved or printed panel. One piece, made once. Cheapest to buy, and every change means a new panel.
• Changeable strip or slat systems. Individual name strips slide into a frame. Dearer up front, and a tenant change costs one strip instead of one board.
• Track and insert systems. Printed inserts behind a cover, usually acrylic. Similar economics to strips with a cleaner finish.
• Digital directory screen. A display driven by a content system. Changes are instant and you have taken on a screen, a licence, a power supply and a person who knows the software.

What a directory sign costs

Broad United States planning ranges for supply and installation. The update column is the one people forget to budget, and over a ten-year life it usually exceeds the purchase price.

How many names fit, and what to do when they do not

A readable directory holds fewer entries than people expect. At a comfortable reading size, a wall-mounted board takes roughly thirty to fifty lines before it becomes a wall of text that visitors skim and give up on.

Buildings routinely have more destinations than that. A hospital has hundreds of rooms. An office block with forty tenants also has meeting rooms, a gym and three cafés. The usual response is to shrink the type until it technically fits, which produces a sign that is complete and unusable.

The better response is to accept the board cannot be the full index. List the level that matters, usually floors or departments rather than individual rooms, and put the complete searchable list somewhere with no physical limit.

The update problem

Every directory format is a bet on how often the building changes, and most buildings lose that bet.

The visible cost is fabrication and installation. The invisible one is lag. Between a tenant moving and the board being corrected there is a window of weeks in which the sign is confidently sending people to the wrong floor, and reception is absorbing the difference.

The failure that follows is subtle. Once a directory has been wrong once, regular visitors stop trusting it, and a board nobody reads is a pure cost. You can see this in almost any older office lobby: an immaculate directory listing at least one company that left years ago.

Directory signs and accessibility

Directories generally sit outside the tactile and braille requirements that apply to permanent room identification, because they name things that change rather than identifying a fixed space.

That exemption is exactly why they drift. The signs with the strictest rules are the ones nobody touches, and the sign with the loosest rules is the one that goes stale. Contrast, mounting height and a readable typeface still matter, and a digital alternative that works with a screen reader will serve more visitors than a board ever can.

A short board plus a scannable full directory

The arrangement that holds up is to stop asking the board to be complete.

Keep a printed directory listing the things that rarely move: floors, wings, main departments, the reception desk. Make it large and easy to read, because it now has room to be. Then put a code beside it that opens the full searchable directory on the visitor's phone, where there is no line limit and no fabrication lead time.

That is what QRCodeMaps does. Markers on your floor plan carry the names, the descriptions and the opening hours, and a visitor scans the code and searches. When a tenant moves you edit a marker, and the board on the wall is still correct because it never claimed to list them.

You also find out what visitors were looking for, including the searches that returned nothing, which is the fastest way to learn what your directory is missing. Plans start from $99 a month with a free trial.