The round light dome for optimum energy efficiency

Our tried and tested energy efficiency classic is not only available in square, but also as a round version with the 4-skinned JET-TOP-90-COMFORT. It is ideally suited for both new construction as well as refurbishment. Its outstanding thermal insulation values and excellent light transmission are hereby particularly impressive.

The round JET-TOP-90-COMFORT is versatile in use. Depending on which accessories you supplement it with, this light dome can be utilised with sun protection, fall-through protection or - including the corresponding opener drive units - as a ventilation system and/or SHEV system (LBO). In addition to this high level of functionality, it also impresses with its modern and aesthetic design.

  • 4-skinned
  • 2 glazing variants: opal / clear / clear / clear or clear / clear / clear / clear
  • Fixed or ventable
  • Ventilation possibilities: manual, electrical, pneumatic
  • Can be utilised as a staircase SHEV device according to LBO with various 24V electric drive units and SHEV central units
  • Deliverable in diameters from 60 cm up to 270 cm
  • Un LD Value: 4-skinned: 1.5 W/m2K according to DIN EN 673 / DIN 4108-4
  • Ut Value: 4-skinned: 1.5 W/m2K according to DIN EN 1873"
  • Light transmission TL: 4-skinned opal: 67 % / clear 74 %
  • Air sound insulation: ≥ 22 dB according to EN 1873
  • Plastic glazing (PMMA / high-quality UV resistant plastic)
  • Fire Class E according to EN 13501-1 (normal inflammable)
  • Industrial buildings
  • Commercial buildings
  • Office buildings
  • Administration buildings
  • Residential buildings

Accessories for JET-TOP-90-COMFORT-ROUND


Fall-Through Protection Systems

SHEV and Ventilation