Emen LightingEmen Lighting

Fabricated Signage

Your name, built and lit: face-lit and halo-lit channel letters, built-up lettering and light boxes.

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How big does your sign have to be?

Tell us how far away it has to be read from. The letters below are drawn to the height they would actually need — the doorway and the person are there for scale.

YOUR NAME250 mm
3 m150 m
Read by someone
Capital height
250 mm
Likely build
Channel letters at scale, or an LED display
If it is a screen
P10
Brightness
3,500 – 5,000 nits

These are estimates from the standard rules of thumb, not a quote. A real quote states the cap height, the illumination type, the return depth, the load in watts, the duty class and the warranty in months, for your building.

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Signage specified by reading distance

Signage specified by reading distance
Reading distanceCap heightNote
Up to 5 m≈ 40 mmRead from the pavement outside
5–15 m≈ 125 mmRead from across the street
15–30 m≈ 250 mmRead from a moving vehicle
30 m and beyond≈ 375 mm+Roadside; consider letter height before letter count
Return depth60–100 mmThe depth of the box, which is what casts the shadow
Halo standoff25–50 mmThe gap that makes a halo read as a halo

These are the industry ranges, not a quotation. Cap height is the rule of thumb of roughly 25 mm of letter height per 3 m of reading distance; a quote states the figure for your site, its viewing angles and its wind load. A quote that does not state cap height, illumination type, return depth and warranty in months is not finished.

What this covers

Fabricated signage

Your name, built and lit — face-lit channel letters for a shopfront, halo-lit lettering for a reception wall, light boxes where frontage matters more than depth.

  • Cap height ≈ 25 mm per 3 m of reading distance
  • Return depth 60–100 mm
  • Halo standoff 25–50 mm

LED display

A screen specified by what it has to do: the distance it is read from, the light it competes with, and the hours it runs. The LED count is an output of that, never a selling point.

  • Shopfront P3–P5 · 1,500–3,000 nits
  • Street-facing P6–P10 · 3,500–5,000 nits
  • Minimum comfortable viewing distance ≈ pitch in mm

Lighting and control

Zones on their own schedules, dimmed after midnight, and an installation that reports its own health instead of waiting to be noticed.

  • Duty classes: trading hours, dusk to dawn, continuous 8,760 h/yr

A quote states the figures for your site

Tell us where it goes and what has to be read from where. You get the specification, the load, the duty class and the warranty in months.

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