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D-90 Solarspot

Giving you natural daylight

Solarspot D-90– lighting areas up to 95 square metres with just one tube.

The Solarspot D-90 is the most efficient solar tube system in the world with each unit capable of lighting spaces up to 95sqm.

This system requires ceilings that are at least 7m high to spread the light evenly so is perfect for use in areas like warehouses, factories, sports halls and shopping malls.



Model Solarspot D-90
Diameter 908mm (36 inches)
Max recommended length 35.0m
Coverage up to 95 sqm
Efficiency 75%

0-30° angles available
that can be used in multiples to create greater bends

Solarspot D-90 910mm diameter Tubular Daylighting System

Delivering more daylight than any other sun tube system, the Solarspot D-90 is perfect for lighting large areas with high ceilings in commercial, manufacturing and public spaces. Solarspot͛s patented RIR™ technology located in the non-yellowing dome ensure that even more daylight is captured at roof level and delivered deep into the heart of buildings where conventional windows are not an option.

RIR technology uses a series of Fresnel lenses located in the mouth of the system to redirect daylight, direct or diffuse, down into the tube to ensure that the maximum amount of light is delivered to the room below – whatever the weather.

Solarspot D-90units can be supplied with various internal finishes making them suitable for solid ceilings as well as with’open-ceilin’ diffusers for warehouses, sports halls etc. Systems can be specified in new-build projects or accommodated as part of any refurbishment of an existing building.

Solarspot D-90 components:

  • Non-yellowing dome with RIR™ light capture lenses
  • Convas anti-condensation lens for increase thermal efficiency©
  • Extension tubes available: 200, 300, 400, 600 and 1200mm lengths
  • Flashings suitable for all virtually all roof types
  • Range of circular diffusers available for solid and open-ceilings

The Solarspot D-90 lights spaces up to 95 sqm and is ideal for:

  • Sports halls
  • Manufacturing areas
  • Retail environments
  • Warehouses
Solarspot flat roof systems

The Solarspot spun aluminium flashing makes it perfect for any flat roof application. The rigid strong, flashing is perfect for GRP or single-ply roofs, and heat-resistant for any hot-process membrane system.

The unit is also a great option for green roofs providing a more aesthetically sympathetic solution than a curb-mount option.

Solarspot curb-mount systems

For roofs requiring a built up-stand, Solarspot curb- flashings are available in a range of sizes, in both square and circular options.

In addition to the range of standard sizes, bespoke units can be supplied to meet individual customers’ specifications.

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