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.

Specifications

Brand

Applications

  • Counter Flashing - G90 Galvanized Flashing

Roof Pitch

  • 0° to 60°

Counter Flashings

  • Used with A Site-Built Square Roof Curb (Minimum Height 3.5")

Interior Accessories (Optional)

  • ZTB - Decorative Diffuser
  • ZTP Daylight Connector
  • ZZZ 233 - Dimmer Power Supply
  • ZTC 0041US - Energy Kit (For Insulation at Ceiling Level)
  • ZTC 0401US - Energy Kit (For Insulation at Roof Level)

Exterior Accessories (Optional)

  • ZZZ 192 - Exterior Fire Band
  • ECW - Tile Flashing for Curb Mount Sun Tunnels
  • ZTZ 211 - Rotating Coupler
  • ZTE - Rotating Elbows
  • ZTY - Vapor Barrier (For use with THC)
  • ZTA - Turret Extender
  • ZTZ 203 - Suspension Wire Kit
  • ZTZ 209 - Diffusion Enhancer
  • ZTQ - Security Bars
  • ZTR - Additional Rigid Tubing Available in 2', 4' and 6' Lengths

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)

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

Ceiling Ring Gasket

  • Triple Sealing Flexible Vinyl

Rigid Tubing

  • Highly Reflective Silver Coated Aluminum, 98% Reflective

Rigid Elbows

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

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

  • Min 16' - Max 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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