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VELUX Commercial SUN TUNNEL skylight



What makes the VELUX SunCurve better?

Morning light
Captures low-angle sunlight and curves it down the tunnel.
Mid-day light
Manage the intense, direct mid-day sun so that the space below is bright and confortable without glare.
Afternoon light
Captures low-angle sunlight and curves it down the tunnel.









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Flexi Loc™ quick
assembly system


A tunnel connection system that reduces tunnel installation time in half. With our unique Flexi Loc™ system, screws are a thing of the past. Use this unique clip system to piece your elbows, tunnel sections and other rigid tunnel components together quicker.



Highly reflective
silver tunnel


All VELUX SUN TUNNEL skylights feature a highly reflective silver layer that is electrostatically applied.
  • Creates an ultra smooth highly, reflective surface
  • Greater than 98% total reflectivity (99.9% on silver layer)






VELUX Commercial SUN TUNNEL™ skylights are designed for flat or low slope commercial roofing applications that are above spaces that will benefit from daylight, thereby reducing energy loads and improving occupant’s performance and comfort.

Ideal applications for commercial SUN TUNNEL™ skylights includes schools, retail spaces, and warehouses that require a cost effective daylight solution. The round, highly reflective light shaft requires less assembly time compared to previous commercial SUN TUNNEL skylights.

VELUX SUN TUNNEL skylights provide a cost effective method for transferring daylight through the roof. Cost savings can be achieved with open ceiling applications.