JET TOP-90 RUND 2-schalig

TOP-90 ROUND dome rooflight double-skinned

Double-skinned, round dome rooflight for industrial flat roofed buildings

Modular expandable, efficient assembly on the construction site and economical refurbishment – all that and more is what the TOP-90 ROUND double-skinned round dome rooflight from VELUX Commercial can offer you. The versatile, usable daylight element ensures high light transmission. It can be selected as either an opal or clear glazing variant.

The TOP-90 ROUND does not only provide excellent lighting with natural daylight on the industrial flat roof. On request, you can also use the dome rooflight for natural ventilation by utilising the comprehensive accessories and as a SHEV (LBO) for effective smoke extraction in the event of a fire.

Special round GFRP upstands are available for our round dome rooflights. You can additionally benefit from an extensive range of accessories to individually equip your dome rooflight. The domerooflight can be delivered in diameters from 60cm up to 270cm.

  • Double-skinned
  • Two glazing variants: opal/clear or clear/clear
  • Fixed or ventable
  • Ventilation possibilities: manual, electrical, pneumatic
  • Utilisable as 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 = 2.7 W/m2K according to DIN EN 1873:2006/DIN 4108-4
  • Ut = 3.0 W/m2K according to DIN EN 1873:2014 (for horizontal installation)
  • Urc,ref300 = 1.76 W/m2K according to DIN EN 1873:2014
  • Light transmission TL: double-skinned opal: 74% / clear: 86%
  • Fire Class: E according to EN 13501-1 (normal inflammable)
  • Plastic glazing (PMMA / high-quality UV resistant plastic)
  • Industrial buildings
  • Commercial buildings

Accessories for TOP-90 ROUND dome rooflight double-skinned


Fall-Through Protection Systems

SHEV and Ventilation