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Internet # 315984649

Model # FCM 2246 204CS00XW

Store SKU # 1006105761

22-1/2 in. x 46-1/2 in. Fixed Curb Mount Skylight with Laminated Low-E3 Glass, White Solar Powered Room Darkening Shade

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  • 10-year hail warranty against glass breakage
  • Includes solar powered pre-installed shade and remote
  • Curb mount design ideal for flat or low-slope roof applications
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Product Details

About This Product

This VELUX fixed FCM skylight with the Go Solar option includes a pre-installed solar powered room darkening shade and an internet gateway, allowing you to control the shade with your smartphone and enable automatic programs that boost energy efficiency. The solar powered shade is designed to harness the power of the sun to control the amount of daylight entering through your skylight. Installing a skylight is one of the most impactful ways to enhance the brightness and beauty of a room. Bringing natural light into a home through a skylight decreases the need for artificial light while maintaining privacy. FCM skylights are ideal for replacing existing curb mount skylights, including old plastic bubble skylights. This model can be installed on a site-built curb on a flat roof or up to a 60° roof pitch.


  • Solar powered shade has a built-in solar panel and rechargeable battery-operated control system so no electrical wiring or electrician is needed for installation
  • Room darkening shade (included) utilizes a double-pleated honeycomb structure with an interior aluminum coating to block even the brightest sunlight, making it ideal for bedrooms, entertainment rooms or any other space where light control is important
  • FCM 2246 models are designed to fit a site-built curb (not included) with outside dimensions 25-1/2 in. width x 49-1/2 in. length
  • Qualifies for a 10-year "no leak" installation warranty when installed with ECL flashing on a shingle roof with a pitch between 10° - 60° or ECW flashing on a tile roof with a pitch between 14° - 60° (flashing kits are sold separately)
  • 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
  • Includes an internet gateway and handheld remote control so you can operate the shade either with or without a smartphone
  • Factory-installed shade color: white
  • Click below to view and purchase compatible VELUX flashing models
  • Click here to view/purchase VELUX shingle, shake and slate roof flashing model ECL 2246 0000
  • Click here to view/purchase VELUX tile roof flashing model ECW 2246 0000
  • Smartphone is not included
  • Florida product approval FL13303.2 (FCM skylights with 04 laminated glass, size 2270 and smaller: SKG-PG100, approved for use outside HVHZ, not impact resistant, design pressure +200/-100)
  • Texas Department of Insurance TDI SK03: VELUX FCM 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
  • Click here for more information on Electronic Recycling Programs
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Product Information

Internet # 315984649

Model # FCM 2246 204CS00XW

Store SKU # 1006105761


Dimensions: H 51.38 in, W 27.38 in, D 3 in


Product Depth (in.)

3 in

Product Height (in.)

51.38 in

Product Width (in.)

27.38 in

Rough Opening Height (in.)

46.5 in

Rough Opening Width (in.)

22.5 in


Cladding Type


Exterior Color/ Finish

Neutral Gray

Exterior Color/Finish Family



Adjustable, Argon Gas Filled, Light Transmittal, Pre-installed Blind, Remote Controlled, Severe Weather Ready

Frame Material


Glass Type

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


Blind, Hardware, Remote Control

Interior Color/Finish Family


Maximum Roof Pitch (degrees)


Minimum Roof Pitch (degrees)


Product Weight (lb.)

63.4 lb



Skylight Mounting Type

Curb Mount



UV Protection (%)


Warranty / Certifications

Energy Star Qualified

North-Central, Northern, South-Central, Southern

Manufacturer Warranty

10-year limited

Questions & Answers

Q:My existing skylights measure 26x50 outside and 21.5x45.5 inside. Which size should I select? Are the listed size selections outside or inside dimensions?
by|Jul 10, 2024
2 Answers
Answer This Question

A:  If you have a curb mounted skylight, the closest size would be the 2246, which has an inside curb of 22.5" X 46.5" and an outside curb of 25.5" X 49.5". We offer this size in fixed, manual venting, solar venting, and electric venting.

by|Jul 10, 2024

    A:  VELUX FCM 2246, VCM 2246, VCE 2246 & VCS 2246 skylights use an inside curb (or rough opening) of 22.5" X 46.5" with an outside curb of 25.5" X 49.5". Measuring to the outer metal frame of the skylight would be 27 x 51 inches. Any of the above models mentioned would work great for your skylight project.

    by|Jul 12, 2024
      Q:If I buy/install 3, is there a way to link all three blinds so they use 1 switch. This would be preferable, so I don't have to mount three switches on the wall takes up too much room.
      by|May 15, 2024
      1 Answer
      Answer This Question

      A:  You can pair multiple blinds to one remote, but it will operate the blinds simultaneously. We offer a VELUX Touch remote (sold separately) that will allow for independent operation of all skylight/shades.

      by|May 15, 2024
        Q:what is the rough opening needed? Outside dimensions.
        by|Jan 16, 2024
        1 Answer
        Answer This Question

        A:  Robert, the rough opening is the same as the inside curb 22 1/2 x 34 1/2. The outside curb dimension is 25 1/2 x 37 1/2. We appreciate your question and hope you enjoy your new curb mounted skylight. You will enjoy the light and the options you get from your solar powered shade.

        by|Jan 17, 2024
          Q:Do the solar skylights require any electric at all? Or as an option if the solar operation fails?
          by|Jan 9, 2024
          1 Answer
          Answer This Question

          A:  VELUX Solar shades are stand alone and do not require wiring. Should the shade stop working, they can be moved manually. Thanks for your question Robo.

          by|Jan 10, 2024
            Showing 1-4 of 17

            Customer Reviews

            4.9 out of 5

            • 4.9 out of 520 reviews
            • 99% recommend this product
            Filter by:
            Showing 1-10 of 520 reviews
            Velux large skylight
            Just purchased Velux skylight for my kitchen very happy
              • Recommended
              Brighter and cleaner
              [This review was collected as part of a promotion.] We replaced two dome shaped skylights with Velux skylights in the roof of our covered patio. We like how much brighter these skylights are.
                • Recommended
                Replaced three and fit perfectly!
                [This review was collected as part of a promotion.] I bought these to replace my 15 year old VELUX skylights. They old ones did not leak... but since we were doing the roof, wanted new sky lights and a new warranty. We have them in fixed and solar! They fit in the old opening perfectly and had minimal disruption to interior sheetrock. I think they are upgraded to the previous design and look well made. We've had VELUX brand skylights in our home for 40 years! Our first ones had a crank and pole opener! Solar is great! Glad to have used a company around this long that makes the same sizes! My roofer said other companies (like Andersen) have stopped making skylights.
                Response from Consumer SupportJun 7, 2024
                Queen Bee, excellent photo! Solar is an excellent source of sustainable light and ventilation. You picked the perfect time to upgrade to solar and take advantage of the solar tax credit. We are thrilled we've been apart of your families home for decades! Thank you!
                  • Recommended
                  Skylights to light the day!
                  Just had this installed May 2024 & so glad when we opt'd to get a new roof we decided upon installing new skylights
                    • Recommended
                    Phenomenal product
                    Love how one these are!, the clean line edges are amazing and truly open up the place
                      • Recommended
                      Received damaged product thrice
                      I am so disappointed with HomeDepot and this product. It's been 2 months I have ordered this and first one returned from a UPS facility saying broken piece showing status as delivered. No refund or update to me was sent. next 2 times it came with a broken solar blinder. Velux expert says it is broken. No good instruction is available on how to install such a pre assembled solar blind, looks easy, but the frame is defective, maybe returned pieces. The issue is still going on.
                      Response from Velux USA TeamMay 16, 2024
                      Dear Valued Customer, please reach out to Customer Support at VELUX direct we would love to get pictures to discuss the damages and see how we can be of assistance. There are instructions at https://www.veluxusa.com/help/installation-help/skylight-installation. Customer support at 800-888-3589 can also be of assistance. We look forward to hearing from you. veluxusa
                        I’m a contractor so it was super easy to install and looks great. It was a big upgrade from the deck mounted velux skylight. That was there for 30 years.
                        • Verified Purchase
                        Good Quality Product
                        [This review was collected as part of a promotion.] I recently had my cottage reroofed and replaced two existing skylights with two Velux fixed Skylights. They look great, are well constructed and look like they will hold up for a long time. The price was also very reasonable.
                          • Recommended
                          Outstanding craftsmanship
                          [This review was collected as part of a promotion.] Installed this past summer and I love the light it provides in our loft. Velux products are so well made and they stand behind their products. Wouldn't think of installing any other brand.
                            • Recommended
                            Great features love them
                            We purchased 4 replacement fixed skylights and they are awesome. The features have been improved over the years and they look sound amazing. So happy with the upgrade
                              • Recommended
                              Showing 1-10 of 520 reviews