Commercial SUN TUNNEL™ skylights
Model TCR

The TCR model is suited for commercial drop ceiling, long shaft applications and building interior areas. Providing optimal transmission and distribution of light in commercial spaces, the TCR model also offers a prismatic diffuser and an optional daylight controller. Installation is quick and easy. This is the most cost effective way to light interior commercial spaces.

For added peace of mind, SUN TUNNEL skylights come with a 10-year warranty against manufacturer's defect. See VELUX warranty brochure for complete details.

Daylight controller
Model ZTK

With an easy-to-use switch, the daylight controller allows you to adjust the amount of daylight entering a room from the SUN TUNNEL skylight TCR model.

Self-flash kit
Model Q1

The self-standing flashing installs directly to the roof deck and eliminates the need to build a curb.