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Rigid TCC Sun Tunnel

Brand: VELUX®

An engineered day lighting system consisting of a field assembly of an exterior roof curb counter flashing unit and an interior diffuser system joined by a rigid, reflective tunnel. 

The system is capped with an acrylic or polycarbonate tall dome with Sun Curve (22") or low profile dome (14") and diffuses the light with an interior Round to Square ceiling adaptor with an acrylic diffuser or a round diffuser system.

1 - 2 of 2 Part Numbers
TCC 014
TCC 014
VELUX Tubing Diameter: 14"
  • Tubing Diameter - 14"
TCC 022
TCC 022
VELUX Tubing Diameter: 22"
  • Tubing Diameter - 22"
1 - 2 of 2 Part Numbers

Specifications

Brand

Applications

  • Counter Flashing - G90 Galvanized Flashing

Roof Pitch

  • 0° to 60°

Counter Flashings

  • Used with A Site-Built Square Roof Curb (Min. Height 3.5”)

Dome

  • 92 % Transparent Impact Resistant Acrylic with UV Absorbers or Polycarbonate

Counter Flashing

  • G90 Galvanized, 24 ga, Neutral Gray Color

Diffuser Assembly (Rd to Sq)

  • 92 % Transparent Impact Resistant Acrylic with UV Absorbers or Polycarbonate
  • Available with Fresnel, Prismatic or Frosted Diffuser

Ceiling Ring Gasket

  • Triple Sealing Flexible Vinyl

Rigid Tubing

  • Highly Reflective Silver Coated Aluminum, 98 % Reflective

Rigid Elbows

  • 15.5” Tall
  • 0.020” Thick
  • 45° Rotating Elbows

Tape

  • 2” Wide Aluminum Tape

Flashing Screws

  • 1-1/2” Screws

Screws

  • 3/4” Screws for Fastening Dome

Tunnel Clips

  • Flexi-Loc Clips - for Assembling Tunnels and Elbow Sections

Standard Sizes

  • 14” and 22” Tunnel Diameters

Recommended Tunnel Lengths

  • 16' to 30'

Dome Size (014)

  • Thickness = 1/8” or 3.2 mm
  • Height = 6-15/16” or 176.5 mm
  • Outside Diameter = 17-9/16” or 446.2 mm
  • Inside Diameter = 16-7/8” or 429.5 mm

Dome Size (022)

  • Thickness = 1/8” or 3.2 mm
  • Height = 16-5/16” or 415 mm
  • Outside Diameter = 25-5/8” or 650.2 mm
  • Inside Diameter = 25” or 633.7 mm

Flashing Size (014)

  • 21” x 21” (534 mm x 534 mm)

Flashing Size (022)

  • 31” x 31” (788 mm x 788 mm)

Ceiling Ring Size

  • 14” Model: Inside Diameter = 356.5 mm, Outside Diameter = 426 mm
  • 22” Model: Inside Diameter 557.5 mm, Outside Diameter = 627 mm

Warranty

  • 10 Years from Purchase Date

Documentation

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