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Tubular Skylights with Flexible Tunnel

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  • Brighten any Space with Energy -efficient natural light
  • For interior rooms like bathrooms, closets, & more, and hallways
  • Seamless flashing for watertight Installation
  • View More Details
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Product Details

About This Product

VELUX Sun Tunnel tubular skylights are a great way to brighten any space with energy-efficient natural light, and ideal for interior rooms like bathrooms, closets, laundry rooms and hallways. Many different options are available, so it's easy to find the perfect Sun Tunnel for your application. Flexible Sun Tunnels help diffuse sunlight, so they are ideal for shorter tunnel runs, and the tunnel is very maneuverable, so it easily bends around attic obstructions.


  • Designed to be installed on shingle and other low profile roofing materials with a roof pitch between 14°and 60°
  • Pitched flashing provides the optimum angle for gathering light from all directions and low profile flashing blends into the roofline
  • Flexible Sun Tunnels come with 8 ft. of flexible tunnel, which is the maximum installation length
  • Tile flashing kits are available (sold separately) for Sun Tunnel models with pitched metal flashing (TMF)
  • High-impact polycarbonate dome is available for hurricane prone areas
  • California residents see Prop 65 WARNINGS
  • If a custom product is included returns could be ineligible
  • Return Policy
  • California residents
     see Prop 65 WARNINGS

Product Information

Internet # 311084087

Additional Resources

Shop All VELUX



Daylight Area (sq. ft.)


Product Depth (in.)

37 in

Product Height (in.)


Rough Opening Height (in.)

22 in

Rough Opening Width (in.)

22 in



Impact Resistant, Light Transmittal, Severe Weather Ready

Glass Type



Flashing, Hardware

Maximum Roof Pitch (degrees)


Minimum Roof Pitch (degrees)


Product Weight (lb.)

36 lb



Skylight Mounting Type

Self Flashed

Tunnel Material

Polyester Blend

Tunnel Type


UV Protection (%)


Warranty / Certifications

Energy Star Qualified

North-Central, Northern, Not Qualified, South-Central, Southern

Manufacturer Warranty

10-year limited

Questions & Answers

Q:Which model will work for a roof which pitch is 2.5/12?
by|Mar 23, 2024
1 Answer
Answer This Question

A:  We would recommend any of our curb mounted skylights. Our VELUX curb mounted skylights can be installed on any roof pitch between 0:12 and 20:12.

by|Mar 25, 2024
    Q:Can This be installed on the Residential Home7 one company told me they don't install 22 inch because they are only for commercial buildings.
    by|Dec 22, 2023
    1 Answer
    Answer This Question

    A:  Great question John. The VELUX 22 inch Sun Tunnel can be installed in both residential and commercial applications. For deeper discussion please contact VELUX direct at 800-888-3589.

    by|Dec 28, 2023
      Q:I have a need for the 22" skylight unit, but It will need about 11-12' of Flexible tube or it's a straight run so it could be solid tubing.
      by|Jul 8, 2023
      1 Answer
      Answer This Question

      A:  This kit will include 8 feet of tubing. You can purchase the optional tubing part number of: ZTF 022 0012D which is 12 feet long from your local Home Depot store or call VELUX @ 1-800-888-3589 to order this optional tubing kit.

      by|Jul 10, 2023
        Q:Do these break from hail storms?
        by|Jul 5, 2023
        2 Answers
        Answer This Question

        A:  If you are in a hail prone area, you may want to choose the same sun tunnel but with the Impact Rated dome that is polycarbonate as found here: https://www.homedepot.com/p/202844249

        by|Jul 6, 2023

          A:  These bubbles are very sturdy, and ours hasn't. I don't know if they would withstand golf ball sized hail though.

          by|Dec 13, 2023
            Showing 1-4 of 233

            Customer Reviews

            4.2 out of 5

            • 4.2 out of 195 reviews
            • 70% recommend this product
            Filter by:
            Showing 1-10 of 195 reviews
            No light coming through. Huge regret
            Even on bright sunny days, can't detect any light coming through, even with 3 of them in the kitchen. Unless you can install these perfectly straight, with tunnel length under 5 feet, don't bother. We were left with 3 ugly holes in ceiling with plastic covers.
            Response from VELUXCustomerServiceTeamMar 19, 2021
            Dear Valued Customer,

            Based on your photo, your tubing currently has slack near both the upper and lower connection points. This is lowering the rate of reflection and decreasing your overall light output. Once this has been adjusted, your light output should greatly increase.

            It also appears you may have two flexible tunnel sections attached together for an extended run, which VELUX does not recommend. If your run exceeds 8ft, you may consider installing a rigid tubing in place of the flexible tubing. By changing to rigid tubing, you can increase your light output by two to three times your current light output.

            If you would like to discuss your current installation, please contact us directly at 1-800-888-3589.
              4 found this review helpful
              Ugly and cheap looking
              Be aware this is a PLASTIC light that looks like a cheap, cheap fluorescent light. The light is cold and harsh - like a dystopian science lab. It has a blue hue and removes every hint of warmth from the room. It is NOTHING like natural sunlight from a skylight. It is so hideous that I’m sick to my stomach. I simply cannot keep this horrible thing in my house.
              Response from VELUXCustomerServiceTeamSep 2, 2020
              We are sorry to hear that you are unhappy with your VELUX Sun Tunnel. Sun Tunnels with the rigid tubing were shipped with a blue protective film not long ago. We recommend that you or your installer check inside the tunnel to be sure that the protective film is removed. If this has been removed, consider adding the Neutral Light diffuser to give the reflected light a more natural light appearance.
                3 found this review helpful
                I would recommend this but it does come with a few challenges, the snap ring is difficult to get ...
                I would recommend this but it does come with a few challenges, the snap ring is difficult to get seated and then it needs tape over it to hold it away from casting a shadow into the tube and upon the ceiling lens. The lens came damaged in the box, like it was dropped or previously opened. HD replaced it without questions, but that was another trip of 45 miles and my time. I attribute that to poor packaging of the parts.
                • Verified Purchase
                • Recommended
                2 found this review helpful
                Nice for windowless bathroom
                I recently had my roof replaced. I had two of these sun tunnels installed at the same time. The roofers installed the dome on the roof and connected the flexible tube. I just had to cut the hole through the drywall in the ceiling and install the fixture. Worked great for me. My portion of the work only took about 15-20 minutes per sun tunnel and was very easy to do by myself. I had them installed to let some light in my two upstairs bathrooms which have no windows and are very dark. Now you don't have to turn any lights on during the day. Attached are pictures. There are no lights on. All light is from the sun tunnels. These were a great investment!
                • DIY
                • Recommended
                11 found this review helpful
                Best decision EVER.
                Bought this for a tiny cabin we are remodeling. We took out a broken turbine fan that had a wonky light in it, and added this. It's all sealed up now and SO BRIGHT (yae for no spiders and natural light!). The tube could be cut down to size easily and since we didn't have attic space it needed to travel through, it made installation a breeze. The outside looks great too. We've made lots of changes to the cabin, and this is so far our favorite!
                • DIY
                • Verified Purchase
                • Recommended
                6 found this review helpful
                Let natural light in
                We did hire a roofer to installed theTUBULAR SKYLIGHT.. Love to have a ight up kitchen without electricity. I am sure my bill will be lower since I do not use the lights anymore during the day.
                Response from VELUXCustomerServiceTeamFeb 3, 2016
                We are delighted to hear that you love the natural light coming into your home as a result of our Sun Tunnel, as well as the benefit of possibly having a lower power bill. We appreciate your business and positive comments. Thank you for choosing VELUX!
                • Verified Purchase
                • Recommended
                4 found this review helpful
                The flexible tube help the installation alot. I need to free up roof area for solar panels installation.
                • Verified Purchase
                • Verified Purchase
                Excellent product it brings a good amount of light in the bathroom space, I would recommend anyone who likes natural light and save in energy cost.
                • Verified Purchase
                Flexible units do not perform well
                The 14” unit does not work well. It transfers far less light into the room. We have 2 other locations with 10” rigid tube units and they produce more light. When I called Velux to complain they said yep it transfers 1/3 less light. It is way worse than that. No help at all. I said a disclaimer about the flex wall being less effective would have been nice. Converted to rigid st my expense.
                Response from VELUXCustomerServiceTeamApr 15, 2024
                We are sorry the flexible tube did not meet your expectations compared to the rigid. We strive to offer options for different types of applications. The flexible tube was designed to help maneuver around obstacles that may be difficult with the rigid tunnel. I have passed along your feedback to our account manager about the need for a disclaimer. Velux
                  Showing 1-10 of 195 reviews