Foil SRD

Foil SRD

Foil SRD


Foil has been developed to optimised building energy performance and deliver visual integration for a pure aesthetic. Service integration reduces the build programme and ensures a clutter free working or learning environment.


  • Output options:
    • 4800 lumens (36W)
    • 6000 lumens (43W)
    • 7200 lumens (51W)
  • Emergency Output (BLF):
    • All variants - not available (use Florin E3)
  • Extruded reeded polycarbonate opal diffuser
  • Approximately 75/25% down and uplight ratio
  • Diffuser with linear prisms to minimise glare from all viewing angles
  • Available with 3000K and 4000K LED


  • IP20 as standard
  • IP44 versions available on request
  • 800mm wide, 2.2m length steel body painted silver or white
  • Chamfered 30° luminaire body edge for a slim line appearance
  • Infill panels in 400mm, 800mm, 1200mm, 1800mm and 2200mm lengths
  • RAL Colour: Silver RAL9006. White RAL9010.
  • Perforated side panels of luminaire and infill panels contain 48mm acoustic material
  • 2 segregated cable conduits, excluding power in conduit
  • High frequency and DALI dimming control gears available
  • The integrated Florin E3 LED head optimises emergency performance and vastly reduces the parasitic energy load. Can be specified in either standard 3 hour non-maintained emergency, Easy Test, COMEPS or Central Battery
  • Adjustable wire suspension kits 1.5m maximum drop and end caps to be ordered separately
  • Subject to project size and upon request, luminaire infill panels can be modified to incorporate items such as speakers, smoke detectors, fire alarms, and sprinkler heads


Luminaire Fixed Output Florin E3 3hr Em LL/CW L70 B50
4800 lumens (36W) FREH4S FREH4SF3 133 >100k >100k 66k
6000 lumens (43W) FREH6S FREH6SF3 139 >100k >100k 66k
7200 lumens (51W) FREH7S FREH7SF3 141 >100k >100k 66k


400mm Infill FRIN4S
800mm Infill FRIN8S
1200mm Infill FRIN12S
1800mm Infill FRIN18S
2200mm Infill FRIN22S
End Cap Kit (single) FRENDCFLS
Suspension Kit* FSLSUSKIT

*Suspension kit required for each luminaire and infill (except 400mm and 800mm infill used between fittings in a continuous row).


DALI Replace H with Y i.e FREY4S
WHITE FINISH Replace S with W i.e FREH4W

For 3000K colour temperature, please contact Whitecroft

Dimensions Diagram 1
4800 lumens (36W) 2200 800 100 23.2 23.4
6000 lumens (43W) 2200 800 100 23.4 23.6
7200 lumens (51W) 2200 800 100 23.4 23.6
400mm infill 400 800 100 4
800mm infill 800 800 100 8
1200mm infill 1200 800 100 12
1800mm infill 1800 800 100 18
2200mm infill 2200 800 100 22

Photometic Performance

Photometic Performance Diagram - 4800 Lumens 36W LED
4800 Lumens 36W LED
LOR = 100.0%
SHR MAX = 1.60
Photometic Performance Diagram - 7200 Lumens 51W LED
7200 Lumens 51W LED
LOR = 100.0%
SHR MAX = 1.60

Performance Guide

Performance Guide Diagram 1
  • Lamps: LED 6000 lumens
  • Illuminance: 402 lux
  • Spacing: 3 rows of 2 (55m2 Classroom)

  • Maintenance: 0.8
  • Reflectance: 70/50/20%
  • Ceiling Height: 3.2m
  • Working plane: 0.8m
  • Suspension: 0.6m
  • Uniformity: 0.65
  • Wall illuminance: 55%
  • Ceiling illuminance: 49%
  • Modelling: 0.42
  • UGR: 19

LED Performance

Colour Temp RA (CRI) Colour consistency
4000K >80 MacAdam 3 SDCM

Suspended LED acoustic and integrated services with concealed thick acoustic absorbers behind perforated side panels in a shallow 30° chamfered steel body. 2 segregated wiring channels and extruded reeded opal polycarbonate diffuser with linear prisms to minimise glare from all viewing angles – as Whitecroft Lighting FOIL SRD

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