JET TOP-90 RUND 3-schalig

TOP-90 ROUND dome rooflight triple-skinned

The triple-skinned version of the VELUX Commercial classic for flat roofs

The triple-skinned TOP-90 ROUND dome rooflight can be utilised for natural lighting, aeration, ventilation as well as smoke extraction (LBO) on industrial flat roofs. Both for new buildings as well as for refurbishment projects. It can therefore be modularly expanded at any time and simply grows with your requirements. You can hereby select from an extensive accessory range forthis purpose.

Our round TOP-90 serial dome rooflights are also available with special round GFRP upstands.This dome rooflight can be delivered in diameters from 60 cm up to 270 cm. They not only ensure high light transmission, rather they also guarantee excellent airborne sound insulation at the same time.

It can be selected as either an opal or clear glazing variant.

  • Triple-skinned
  • Two glazing variants: opal / clear or clear / clear / clear
  • Fixed or ventable
  • Ventilation possibilities: manual, electrical, pneumatic
  • Utilisable as a staircase SHEV device according to LBO with various 24V electric drive units and SHEV central units
  • Deliverable in diameters from 60cm up to 270cm
  • U-value = 1.8 W/m2K according to DIN EN 1873:2006/DIN 4108-4
  • Ut = 2.0 W/m2K according to DIN EN 1873:2014 (for horizontal installation)
  • Urc,ref300 = 1.39 W/m2K according to DIN EN 1873:2014
  • Light transmission TL: triple-skinned opal: 69% / clear: 81%
  • Fire Class: E according to EN 13501-1 (normal inflammable)
  • Plastic glazing (PMMA / high-quality UV resistant plastic)
  • Industrial buildings
  • Commercial buildings
  • Office buildings

Accessories for TOP-90 ROUND dome rooflight triple skinned


Fall-Through Protection Systems

SHEV and Ventilation