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Internet # 202094074

Model # VCM 2246 2004

Store SKU # 392428

22-1/2 in. x 46-1/2 in. Fresh Air Venting Curb-Mount Skylight with Laminated Low-E3 Glass

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  • Venting skylights improve air circulation in your home
  • Laminated glass meets building codes in out of reach applications
  • Curb mount design ideal for flat or low-slope roof applications
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Product Details

About This Product

VELUX VCM 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. It can be installed on a flat roof at 0° up to a 60° roof pitch on a site-built curb. 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.


  • VCM 2246 models are Designed to fit a site-built curb (not included) with outside dimensions 25-1/2 in. x 49-1/2 in.
  • Qualifies for a 10-year "No Leak" installation warranty when installed with ECL 2246 flashing on a shingle roof with a pitch between 10° and 60° or ECW 2246 flashing on a tile roof with a pitch between 14° and 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
  • Since most VCM skylight models are installed out-of-reach they include a hook for operating the skylight, but a ZZZ 212 crank handle is sold separately for in-reach applications
  • ZCT 300 manual control rod for out-of-reach applications is sold separately, which 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 ECL 2246 0000
  • Click here to view/purchase VELUX tile roof flashing model ECW 2246 0000
  • Florida product approval FL13560.1 (VCM skylights with 04 laminated glass, size 4646 and smaller: SKG-PG55, approved for use outside HVHZ, not impact resistant, design pressure +230/-55)
  • Texas Department of Insurance TDI SK03: VELUX VCM 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
  • Return Policy
  • California residents
     see Prop 65 WARNINGS

Product Information

Internet # 202094074

Model # VCM 2246 2004

Store SKU # 392428


Dimensions: H 51.375 in, W 27.38 in, D 5.625 in


Product Depth (in.)

5.625 in

Product Height (in.)

51.375 in

Product Width (in.)

27.38 in

Rough Opening Height (in.)

46.5 in

Rough Opening Width (in.)

22.5 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.)

59.4 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:Does this include the flashing needed for an asphalt shingle roof?
by|May 20, 2024
1 Answer
Answer This Question

A:  The flashing kit is a separate purchase. The part number needed for a shingle roof application is ECL 3046 0000C and can be found here: https://www.homedepot.com/p/202892009

by|May 21, 2024
    Q:Hello my question is if this skyline can open more than wat is showing?
    by|Apr 15, 2024
    1 Answer
    Answer This Question

    A:  VELUX venting skylights are adjustable and have an opening width of approximately 11 3/4" inches.

    by|Apr 15, 2024
      Q:Is 34/1/2 x34/12 glass opens all the way or just a little bit ?
      by|Apr 15, 2024
      1 Answer
      Answer This Question

      A:  VELUX venting skylights open approximately 11 3/4" inches.

      by|Apr 15, 2024
        Q:Can you use these for side windows in a room addition?
        by|Apr 14, 2024
        1 Answer
        Answer This Question

        A:  VELUX skylights are designed for roof application only. Our deck mounted skylights have a pitch requirement between 14° and 85°. The curb mounted skylights we offer, have a pitch requirement between 0° and 60°.

        by|Apr 15, 2024
          Showing 1-4 of 550

          Customer Reviews

          4.6 out of 5

          • 4.6 out of 832 reviews
          • 91% recommend this product
          Filter by:
          Showing 1-10 of 832 reviews
          great skylight
          replaced an old skylight with this solar one. great addition. easy install.
            • 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.
            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
              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
                Quiet replacement for a cracked dome skylight. Easy install. Good price and appartent quality.
                • Verified Purchase
                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
                  This Skylight is perfect for the room we put it over. Easy to install and doesn’t leak.
                  • 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
                      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.
                        • 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
                          Showing 1-10 of 832 reviews