VELUX TGC 014 1003TO Sun Tunnel, 14" Commercial Tubular Impact Dome Fresnel Open Ceiling w/Low-Profile Flashing & Rigid Tunnel

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The VELUX TGC 014 1003TO is a 14" sun tunnel with an impact dome. This model features a Fresnel ceiling diffuser; other sun tunnels are available with prismatic and frosted ceiling diffusers. The sun tunnel is designed for commercial roofs and is ideal for open environments without ceilings. Also, thanks to its smartly designed low profile pan flashing, installation time is cut in half. Bring natural and bright daylight to places with no direct outlook by installing the VELUX TGC 014 1003TO.


  • Lower profile dome
  • Low profile pan flashing
  • Flexi Loc™ tunnel system
  • Upper collar 16"
  • Two 45° elbows 16"
  • One 24" extensions
  • Roof pitch 0° - 60°
  • Single open ceiling round diffuser assembly
  • Ideal for open environments without ceilings


  • Roof Pitch: 0° - 60°
  • Dome Material: Impact
  • Open Ceiling Diffuser Type: Fresnel
  • Size: 14"
  • Tunnel Type: Rigid


VELUX provides a wide-range of warranties for their line of sun tunnels. Depending on the product purchased, the following warranties may apply:

  • 20 Year VELUX Sun Tunnel Skylight Rigid Tunnel Limited Warranty
  • 10 Year VELUX Skylights and Sun Tunnel Skylights Limited Warranty
  • 5 Year VELUX Polycarbonate Clarity Limited Warranty
  • 5 Year VELUX Acrylic and Polycarbonate Skylights Limited Warranty (for Metro-lite and Dura-lite)

These warranties only apply if the product is finished, installed, operated and maintained strictly in accordance with VELUX instructions or other instructions furnished with the Covered Product. ImproveDepot recommends a professional installation by a CERTIFIED INSTALLER to ensure that the product is protected by these warranties.

Normal wear and tear is not covered by VELUX's warranties, nor are problems arising from failure to properly maintain the product. Other restrictions apply, so be sure to read the included warranty information packaged with the product.

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