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Internet # 310684110

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Curb Mount Glass Skylights

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  • A skylight visually expands a room and decreases energy needs
  • Replacement for existing old plastic bubble Skylights & more
  • Dual-paned argon gas filled Low-E3 glass for year round comfort
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Product Details

About This Product

VELUX fixed Skylight Systems are an economical choice for transforming and visually expanding a room using natural light from above and VELUX venting Skylight Systems bring fresh air into your home, improving air circulation, ventilation, and air quality. The integrated solar powered shade gives you effortless control over incoming daylight. The shade also helps block the sun’s heat during the summer and retain your home’s heat in the winter, which improves your skylight's energy efficiency up to 40%. Curb mount skylights can be installed on a flat or sloped roof and are perfect for replacing existing curb mount skylights, including old plastic bubble skylights.

Highlights

  • Curb mount skylights can be installed on a flat roof, however, VELUX curb mount flashing kits require a roof pitch between 14-60° for a tile roof or between 10-60° for a shingle, shake or slate roof.
  • VELUX in. No Leak in. Skylights qualify for the 10-year in. No Leak in. installation warranty when installed with VELUX flashing (sold separately) for the appropriate roof type and pitch
  • Curb mount skylights are designed to fit a site-built curb (not included) and the skylight size you need is determined by the outside curb dimensions, which are on average 3 inches larger than the rough opening width and length
  • Solar powered curb mount venting skylights (VCS) are eligible for up to a 30% federal tax credit on both product and installation costs, making them very affordable
  • Room darkening shade features white double pleated blackout cloth with a honeycomb structure and interior aluminum coating to block even the brightest sunlight
  • Solar powered and electric skylights (VCS and VCE) have an integrated rain sensor, which automatically closes the skylight during inclement weather
  • Along with an internet gateway, a basic remote control is also included to operate the shade
  • Factory-installed shade color: white
  • Since most VELUX curb mount skylight models are installed out of reach, manual venting skylights include a hook for operating the skylight, but a ZZZ 212 crank handle is sold separately for in-reach applications
  • Manual venting skylight control rod (ZCT 300) for out of reach applications is sold separately and can operate multiple skylights
  • California residents see Prop 65 WARNINGS
  • If a custom product is included returns could be ineligible
  • Florida product approval: FL13303 for FCM and FL13560 for VCM, VCE, VCS
  • Texas Department of Insurance: TDI SK03 for non-impact glass and TDI SK14 for impact glass
  • Click here for more information on Electronic Recycling Programs
  • Return Policy
  • California residents
     see Prop 65 WARNINGS

Product Information

Internet # 310684110

Specifications

Dimensions

Product Depth (in.)

5.625 in

Product Height (in.)

22.5-70.5

Rough Opening Height (in.)

25.5, 33.5, 37.5, 49.5, 70.5, 73.5

Rough Opening Width (in.)

17.5, 25.5, 33.5, 37.5, 49.5

Details

Cladding Type

Aluminum

Exterior Color/ Finish

Neutral Gray

Exterior Color/Finish Family

Gray

Features

Adjustable, Argon Gas Filled, Insect Screen, Light Transmittal, Pre-installed Shade, Remote Controlled, Severe Weather Ready, Venting

Frame Material

Aluminum

Frame Material

Aluminum

Glass Type

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

Included

Hardware, Remote Control, Screen, Shade

Interior Color/Finish Family

White

Operation Type

Electric Powered, Non-Powered, Solar Powered

Product Weight (lb.)

138

Returnable

90-Day

Skylight Mounting Type

Curb Mount

U-Factor

0.48, 0.52

Warranty / Certifications

Energy Star Qualified

North-Central, Northern, South-Central, Southern

Manufacturer Warranty

10-year limited

Questions & Answers

Which flashing kit do I need for FCM 1430 0004
ByJul 20, 2026
2 Answers | 
Answer This Question

Elizabeth, the flashing kit you will need is determined by the roof pitch and roof material you will be installing with. Please contact us with the details of your project and we will be glad to assist you in making the correct choice. You can contact the Customer Service Team at 1-800-888-3589 between 8:00 am - 7:00 pm (Mon- Fri) or 9 am- 5pm (Sat) EST. Or you can email us at vcustomer.service@velux.com.

By|Jul 23, 2026

    If this is being used on a shingle roof, the flashing kit is called: ECL 1446 0000C. For tile or thick shake material, the kit needed is: ECW 1446 0000C.

    By|Jul 21, 2026


      Can I be installed across the rafters?
      ByJul 12, 2026
      1 Answer | 
      Answer This Question

      Please reach out to VELUX Customer Service @ 1-800-888-3589. They can help you determine exactly what is needed for your application.

      By|Jul 14, 2026


        Is this window approved for all climate zones
        ByJul 8, 2026
        1 Answer | 
        Answer This Question

        Yes it can be used in all climate zones.

        By|Jul 14, 2026


          What is the curb size
          ByJun 16, 2026
          1 Answer | 
          Answer This Question

          Outside curb dimension needed is 25 1/2 x 49 1/2 inches.

          By|Jun 18, 2026


            Can this be installed on a metal roof?
            ByJun 8, 2026
            1 Answer | 
            Answer This Question

            Yes, you can install this skylight onto a metal roof. (up to 60 degree roof pitch) Your roofer or installer will need to fabricate their own flashing for this application as VELUX does not have a kit for this roofing material type.

            By|Jun 10, 2026


              I need to replace an existing damaged opening skylight (original manufacturer, Sunoptics, no longer makes residential skylights). The existing curb opening including flashing is 26.5 inches by 38 inches. What skylight will fit?
              ByJan 16, 2026
              1 Answer | 
              Answer This Question

              Please give VELUX a call at the Customer Service Team M-F at 1-800-888-3589 between 8:00 am - 7:00 pm and Sat 9:00 am - 5:00 pm Eastern time. We can discuss your measurements and application to help you find the best product to meet your needs. The VCM/VCS/VCE models in size 2234 have an outside curb measurement of 25-1/2" x 37-1/2" and a maximum skylight clearance of 26-5/8" x 38-5/8", this may work for you, but I would recommend calling so we can get all of the details from you and have a clear understanding of what is needed for the correct replacement.

              By|Jan 20, 2026


                My current skylight accumulates a lot of condensation on the inside frame. Do Velux skylights have a thermal break or some other way to prevent condensation from forming on the frame inside the home?
                ByDec 18, 2025
                1 Answer | 
                Answer This Question

                They do have a thermal break and have desiccant that wicks moisture from in between the glass panes and away from the skylight. There are methods to reduce condensation from occurring and we have a brochure that may be helpful to you to contain this situation. Please email VELUX: vcustomer.service@velux.com for a copy of this brochure.

                By|Apr 13, 2026

                  (1)

                  What accessories are needed for the installation on a flat roof
                  ByNov 27, 2025
                  1 Answer | 
                  Answer This Question

                  VELUX does not manufacture flat roof flashing kits for this series. Your roofer or installer will need to fabricate something onsite to accommodate this application.

                  By|Dec 2, 2025


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                    Customer Reviews

                    4.6 out of 5

                    • 4.6 out of 763 reviews
                    • 89% recommend this product
                    Filter by:
                    Showing 1-10 of 763 reviews
                    Great replacement for my old bubble skylights. The curb this skylight requires is just a little bit bigger than the hole for the bubble skylight. So I didn't need to do anything to my interior ceiling.
                    by
                    • Verified Purchase
                    streaks inside glass
                    nice easy install, the only problem is there are streaks inside the glass
                    by
                    Response from VELUXCustomerServiceTeamMar 11, 2025
                    Please send your contact information and pictures of this issue to: velux.solutions@velux.com This team can review and determine a solution. Velux
                      Great improvement!
                      My son lives at A townhouse and the skylights were old & leaking. I ordered two of these skylights and the flashing kit also. I had a man that does roofing work on the side install it The skylights were heavy because these were big ones 46 x 46, but three guys got Them up The ladder. I am so glad that I did it as a DIY and not have to go thru a roofing company and pay a ton. It looks great, 100% improvement. We had a recent rain and no leaks. Very happy!
                      by
                        • Recommended
                        Beautiful product with easy installation.
                        by
                        • Verified Purchase
                        This customer chose to rate the product and not provide text.
                        by
                        • Verified Purchase
                        great skylight
                        replaced an old skylight with this solar one. great addition. easy install.
                        by
                          • Recommended
                          Velux will NOT honor warranty!
                          I had two of these installed by a Velux contractor. In year five--last year--one leaked above the LR. Velux sent out the same installer, who blamed the fire prinkler system---which is not even near the skylights, and was found in perfect condition by my insurance adjuster! Despite the ten-year warranty, and it being only year 5, Velux refuses to fix it! Lots of complaints on BBB re this. I guess they'll next blame aliens! I'll be suing them when the rain stops. Judge E. Smith, Ret.
                          by
                          Response from VELUXCustomerServiceTeamMar 28, 2024
                          VELUX is committed to quality and excellence so you can rest assured that our technical solutions team has managed your warranty claim with due diligence. Neither the technician nor the department head found any indication of defects with your skylights during their inspections. It’s my understanding that we are waiting for you to provide some information that was requested in order for your warranty claim to receive further consideration, so please refer back to the communications you received. Thank you. Velux
                            Quiet replacement for a cracked dome skylight. Easy install. Good price and appartent quality.
                            by
                            • Verified Purchase
                            This Skylight is perfect for the room we put it over. Easy to install and doesn’t leak.
                            by
                            • Verified Purchase
                            Fantastic skylight
                            This skylight makes the room! It really does. Only complaint is the separate flashing kit that is needed to install and isn’t included. And it’s $115. Meaning this window costs $365 overall, not $250. So that part was disappointing - but in no way regretting the window - Fantastic light sourch and outlook.
                            by
                              • Recommended
                              Showing 1-10 of 763 reviews