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Internet # 202038750

Model # VS C01 2004

Store SKU # 1004074770

21 in. x 26-7/8 in. Fresh Air Venting Deck-Mount Skylight with Laminated Low-E3 Glass

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  • 10-year hail warranty against glass breakage
  • Laminated glass meets building codes in out of reach applications
  • Venting skylights improve air circulation in your home
  • View More Details
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Product Details

About This Product

VELUX VS operable "Fresh Air" Skylights can be opened to create a chimney effect that draws air upward to improve air circulation and air quality within your home. Bringing natural light into a home through a skylight decreases the need for artificial light while maintaining privacy. Installing a skylight is one of the most impactful ways to enhance the brightness and beauty of a room.


  • Qualifies for a 10-year "No Leak" installation warranty when installed with the appropriate VELUX deck mount skylight flashing (required, sold separately) on a roof pitch between 14° - 85°
  • Features Clean, Quiet and Safe Low-E3 laminated glass with a Neat glass coating that keeps your skylight cleaner, reduces unwanted outside noise and comes with a 10-year hail warranty against glass breakage
  • Consists of double paned argon gas filled low-E3 glass that provides excellent energy performance for year round comfort, plus the added safety of laminated glass, which building codes require for out of reach applications
  • Since most VS skylight models are installed out-of-reach they include a hook for operating the skylight, but a ZZZ 201 crank handle is sold separately for in-reach applications
  • ZCT 300 manual control rod for out-of-reach applications is sold separately and can operate multiple skylights
  • Click below to view and purchase compatible VELUX flashing models
  • Click here to view/purchase VELUX shingle, shake and slate roof flashing model EDL C06 0000
  • Click here to view/purchase VELUX tile roof flashing model EDW C01 0000
  • Click here to view/purchase VELUX metal sheet roof flashing model EDM C01 0000
  • Florida product approval FL13309.2 (VS skylights with 04 laminated glass, size M08 and smaller: SKG-PG105, approved for use outside HVHZ, not impact resistant, design pressure +400/-105)
  • Texas Department of Insurance TDI SK03: VELUX VS skylights with non-impact resistant glass are compliant with wind load criteria in Chapter 3 of the IRC and Section 1609 of the IBC
  • Click here to learn more about Eco Options and Energy Efficiency
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     see Prop 65 WARNINGS

Product Information

Internet # 202038750

Model # VS C01 2004

Store SKU # 1004074770


Dimensions: H 27.38 in, W 21.5 in, D 5 in


Product Depth (in.)

5 in

Product Height (in.)

27.38 in

Product Width (in.)

21.5 in

Rough Opening Height (in.)

26.88 in

Rough Opening Width (in.)

21 in


Cladding Type



Adjustable, Argon Gas Filled, Insect Screen, Light Transmittal, Severe Weather Ready, Venting

Frame Material


Glass Type

Energy Efficient Glass, Insulated Glass, Laminated Glass, Low-E Glass, Tinted Glass


Hardware, Screen

Maximum Roof Pitch (degrees)


Minimum Roof Pitch (degrees)




Operation Type


Product Weight (lb.)

41 lb



Skylight Mounting Type

Deck Mount



UV Protection (%)


Warranty / Certifications

Energy Star Qualified

North-Central, Northern, South-Central, Southern

Manufacturer Warranty

10-year limited

Questions & Answers

Q:Hello! Do you also do the installation?
by|Jul 1, 2024
1 Answer
Answer This Question

A:  Please reach out to your local Home Depot store for installation referrals. If none are available, please use this link to find a VELUX Specialist near you: https://www.veluxusa.com/help/before-you-buy/find-installer

by|Jul 2, 2024
    Q:Does the window pane come off for installation?
    by|Jun 29, 2024
    1 Answer
    Answer This Question

    A:  There is a method to remove the sash from the drive chain and away from the skylight frame. Please email VELUX for those details: vcustomer.service@velux.com

    by|Jul 1, 2024
      Q:Do I need a flashing kit on a flat roof?
      by|May 28, 2024
      1 Answer
      Answer This Question

      A:  If you are looking to place this VELUX deck mounted skylight on a flat roof, please email VELUX for directions on building curb and the counter flashing details needed via: vcustomer.service@velux.com

      by|Jun 16, 2024
        1 found this answer helpful
        Q:Do I need a separate flashing kit for this skylight
        by|May 11, 2024
        1 Answer
        Answer This Question

        A:  Yes. If this on a shingle roof, the flashing kit is called EDL C06 0000B. Please reach out to VELUX directly @ 1-800-888-3589 if you have additional questions about your project.

        by|May 13, 2024
          Showing 1-4 of 457

          Customer Reviews

          4.6 out of 5

          • 4.6 out of 530 reviews
          • 94% recommend this product
          Filter by:
          Showing 1-10 of 530 reviews
          I had my handy man install our skylight and it look great and was able to open and close the window. Then a few days later we tried to open the skylight using the hook pole and the hook eye snapped off. I wish it was made of metal instead of plastic. I placed an order with the manufacturer for a new metal eye hook with a universal hinge, because HD won’t ship to my location for a small part. Hope this helps.
          • Verified Purchase
          1 found this review helpful
          Beautiful window
          We got a new roof last summer and purchased a roof window that opens manually. It has been working great! We love the design and ease with opening and closing the window. Velux makes great windows, highly recommended.
            • Recommended
            So far, so VERY good!
            Installation has just been completed. The new skylights add so much more light and, now, also much-needed ventilation into the rooms. They open easily. The look is clean, crisp and contemporary. Very nice!
              • Recommended
              These were super easy to install and they look great. Added four of them to the project
              • Verified Purchase
              Great addition to the house
              I just bought them and installed. That’s the best investment bought rooms( kitchen and sunny room) are very bright and when you open skylights a lot of fresh air and quick ventilation.
                • Recommended
                High quality with power shade
                [This review was collected as part of a promotion.] I have had three of these for 10 years with no problems or leaks. Just installed two more with flashing kt, installed and then tons of rain for a week and not a drop of water inside. Also purchased the blinds for these and I;ve mever been so impressed (50 years in the construction business). They fit in perfectly, run with a solar powered motor and a wall remote, the fit was perfect with no issues and they work flawlessly. I would not purchase any other manufacturer.
                  • Recommended
                  New bright skylights
                  Replaced old skylights. Had Velux products before so had great experience with the band. New skylights look amazing. They’re bright & give the room an airy feel. Easy to open. Satisfied customer!
                    • Recommended
                    Just what I needed!
                    This venting skylight replaced a 100-year-old fixed skylight in my attic space. What a difference fresh air makes, not to mention that it is remote controlled. The space is so improved that I think I will finish it and make and additional room.
                    • Verified Purchase
                    • Recommended
                    Love The Light and Fresh Air
                    Had to replace four 30+ year old Velux skylights due to hail damage- two manual operation and two fixed. Love the new clean white interior appearance of the skylights, and ease of operation of the operable units. Looking forward to many more years of Velux bringing us natural light and fresh air!
                      • Recommended
                      Really quite lovey
                      I have a sunroom that had 3 very, very old skylights, which were starting to leak. My roof installer put in Velux Fresh Air Skylights as replacements. The glass is so clear, and they look lovely from inside and out. My only qualm is that the screens have a bit of a gap on each side, and I'm afraid little bugs will gain entry. Other than that, they're great!
                        • Recommended
                        Showing 1-10 of 530 reviews