Confirm the upward and downward light intent before selecting output.
Direct/indirect lighting
Balance the task plane and the ceiling
Compare suspended linear fittings and modular panels that provide light both downwards and towards the ceiling, then check the ceiling, controls and emergency requirements.
Radiance · Continuous suspended lineSelection principle
Direct/indirect describes distribution—not one product format
Radiance and Stream are suspended linear families with a stated 75:25 direct/indirect distribution. Luminate is a 600 × 600 direct/indirect panel. The right starting point depends on whether the brief requires a continuous line, individual suspended lengths or a modular panel as well as light on the ceiling.
Separate a joined continuous system from individual linear lengths and panels.
Reflectance, suspension height and obstructions affect the indirect component.
Keep the published options attached to the selected family.
Project selector
Match the direct/indirect format to the project
Choose the product format, run type, controls and emergency requirement. The selector suggests a suitable family, not a completed lighting design.
Current family comparison
Three direct/indirect product types
Compare distribution, format and options without treating a panel as a continuous linear system.
Continuous suspended line
Radiance
Suspended continuous direct/indirect family with a stated 75:25 distribution, joining detail and project options.
- Format
- Suspended continuous
- Distribution
- Typically 75:25
- Output
- 2,300–4,650 lm
- CCT
- 3000K or 4000K
- Controls
- DALI, SwitchDIM or DSI
- Emergency
- Available
Suspended linear
Stream
Suspended direct/indirect linear family with a stated 75:25 distribution and published output and power range.
- Format
- Suspended linear
- Distribution
- 75:25
- Output
- 2,300–4,650 lm
- Power
- 27–47 W
- CCT
- 3000K or 4000K
Direct/indirect panel
Luminate
UK-made 600 × 600 direct/indirect microprism panel for modular ceilings rather than a linear run.
- Format
- 600 × 600 panel
- Distribution
- Direct and indirect
- Output
- 3,025–5,100 lm
- Power
- 32–47 W
- Controls
- Tunable white + DALI or Casambi
- Emergency
- Available
Specification guidance
Decisions to settle before the layout is fixed
Each item changes the usable product schedule, so work through them with the ceiling and control drawings in view.
Set the distribution
Radiance and Stream state a 75:25 direct/indirect split. Confirm the project result from the selected model and photometry.
Check what the ceiling can contribute
The indirect component depends on the ceiling plane. Record reflectance, suspension height, services and obstructions before relying on upward light.
Define continuity and suspension
A joined Radiance run needs connection, feed and suspension coordination. Stream is presented as suspended linear; Luminate is a ceiling-grid panel.
Keep options family-specific
Radiance has published DALI-family and emergency routes. Luminate publishes tunable white + DALI, Casambi and emergency options. Confirm Stream options rather than assuming parity.
Questions from project teams
Frequently asked questions
Each answer stays within the information published for the current product families.
What does direct/indirect lighting mean?
It describes a luminaire with light directed both down into the space and up towards the ceiling. Check the selected product data for the exact balance.
Is every direct/indirect fitting a continuous linear system?
No. Radiance supports a suspended continuous system, Stream is a suspended linear family, and Luminate is a modular panel.
Why does ceiling information matter?
The ceiling receives the indirect component. Its height, reflectance and obstructions affect how that upward light contributes to the space.
Can the layout be selected from output alone?
No. Format, suspension, distribution, room geometry, surfaces and photometry all affect the result. Output is only one part of the model choice.
Project support
Send us the room, ceiling and suspension details
We will check the product format and available options before recommending a direct/indirect starting point for the project.
- Room dimensions and reflected ceiling plan
- Ceiling height, finish and suspension level
- Continuous run, individual length or panel preference
- Control and emergency requirements