In short
Trimless linear lighting is specified by profile, length, output, optic, colour, controls and installation details, made to measure to the ceiling plan.
Trimless linear gives the cleanest possible line of light.
What to specify
| Item | Decide |
|---|---|
| Profile | Width, depth and plaster-in detail |
| Length | Standard or made to measure |
| Output | Lumens per metre |
| Optic | Opal or microprismatic |
| Colour | CCT and CRI |
| Controls | DALI, Casambi, emergency |
Ranges
Rio for continuous lines with corners, Clyde for UK-made plasterboard installs and Lopen for lit corners.
Further reading at 299 Lighting
Next steps on trimlesslighting.com
Planning a trimless ceiling?
Send us your reflected ceiling plan. We'll come back with a shortlist, plaster-in details and lighting calculations.
Start a project →Frequently asked questions
What is trimless linear lighting?
A recessed linear profile plastered into the ceiling so only the line of light is visible.
Can trimless linear be made to measure?
Yes. Runs are made to exact lengths with corners and junctions.
