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Internet # 312778754

Model # FGC.1733.E-C.B

Store SKU # 1005221193

14-1/2 in. x 30-1/2 in. Fixed Self-Flashing Skylight with Tempered Low-E3 Glass

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  • Low-E3 tempered glass Insulated with Argon Gas from Sun-Tek
  • Bring Natural Sunlight into your Living Space
  • Industry best Heat Control in Summer or Winter
  • View More Details
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Product Details

About This Product

Natural light anywhere you want light You won't believe the difference skylights make in your home. For more than 40-years our skylights have been making homes look brighter and more cheerful. and even bigger. You get more than your money's worth with Sun-Tek.


  • Includes a 4-in flange, flashing is built in so there is no need for an extra flashing kit
  • Completely assembled out of the box and ready to install with installation hardware included
  • Argon-filled LoĒ3-340 double insulated tempered over tempered glass - the most thermally beneficial glass available
  • Built-in aluminum curb is only 2-1/8 in. high making it one of the sleekest profiles in the industry
  • Florida building code approved
  • Texas department of insurance approved
  • Minimum of 2:12 pitch or 9½° required - Not for use on metal roofs
  • 20-year limited warranty
  • Return Policy
  • California residents
     see Prop 65 WARNINGS

Product Information

Internet # 312778754

Model # FGC.1733.E-C.B

Store SKU # 1005221193


Dimensions: H 39, W 23 in, D 2.13


Product Depth (in.)


Product Height (in.)


Product Width (in.)

23 in

Rough Opening Height (in.)

30-1/2 in

Rough Opening Width (in.)

14-1/2 in


Cladding Type


Exterior Color/ Finish


Exterior Color/Finish Family



Argon Gas Filled, Light Transmittal

Frame Material


Glass Type

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



Interior Color/Finish Family


Maximum Roof Pitch (degrees)


Minimum Roof Pitch (degrees)


Product Weight (lb.)

19.55 lb



Skylight Mounting Type

Self Flashed



UV Protection (%)


Warranty / Certifications

Energy Star Qualified

North-Central, Northern, South-Central, Southern

Manufacturer Warranty

20 year limited

Questions & Answers

Q:does anyone make a motorized light filtering blind that fits the 14 1/2 width skylight?
by|Apr 22, 2024
1 Answer
Answer This Question

A:  You might want to check Levolor offerings in HomeDepot.com.

by|Apr 23, 2024
    Q:Is this a curb mount? or a deck mount?
    by|Apr 18, 2024
    1 Answer
    Answer This Question

    A:  The FGC model seals directly to the roof deck and is designed for installation on an asphalt shingle roof with a minimum pitch of 2:12.

    by|Apr 19, 2024
      Q:can you use this skylight on a metal roof?
      by|Mar 31, 2024
      1 Answer
      Answer This Question

      A:  The FGC model is designed for installation on an asphalt shingle roof with a minimum 2:12 pitch. Sun-Tek recommends the CMG model for a metal roof.

      by|Apr 19, 2024
        1 found this answer helpful
        Q:what is total dimensions including flashing
        by|Mar 16, 2024
        1 Answer
        Answer This Question

        A:  The tip-to-tip flange dimensions of the FGC 2525 model is 30 7/8" x 30 7/8".

        by|Mar 18, 2024
          Showing 1-4 of 37

          Customer Reviews

          4 out of 5

          • 4 out of 63 reviews
          • 67% recommend this product
          Filter by:
          Showing 1-10 of 63 reviews
          Unfortunately the item arrived badly damaged it being a replacement for the initial, let me know, choice but to keep it as I lost over two weeks on one return, and the construction could not wait any longer. I had purchased two more, but the company only delivered one while he because the second one got lost and shortly after the company had no more in stock. This left me to return and deal with a different vendor
          • Verified Purchase
          Looks good , easy to install
          I purchased (4) 14.5 x 46.5" to replace one 4x8' custom living room skylight March 2023. There was some cosmetic damage on three units. Two on the base flashing and the other on the glass metal curb that was not completely fastened on one corner. Customer support was very quick to respond and I was satisfied with their repair recommendations. I used rubberized asphalt roll flashing over the roof tar paper then used butyl caulk as recommended per instruction sheet then several days later when the caulking was dry I covered the base flashing with another rubberized asphalt roll to prevent any water damage getting under the asphalt roofing. So far I'm happy with the looks and with no problems. Install went easy. I have a similar but different brand skylight I installed on a bathroom 40+ years ago using the same method of sealing with no problems. Weather in Seattle is moderate with rain , some snow and summer heat . I hope that this brand holds up. I like the low profile looks. 9/20/2023
            • Recommended
            The fastest and easiest in the industry.
              Terrible packing, ok Skylight
              Skylight shipped with no protection to the edges, arrived as shown in the pics. This obviously made installation more difficult. Be prepared to bend and bang the flashing to straighten out and use 2x the recommended roof sealant. Not worth the hassle.
              Response from Sun-Tek Customer ServiceSep 22, 2021
              Sun-Tek apologizes for the inconvenience and hassle you experienced. All of our glass models should be shipped with corner protectors to prevent this from happening.
                1 found this review helpful
                purchased three of these 5 months ago. all three leak !!
                Very unhappy. All 3 items leak and would NOT Recommend!!!
                Response from Sun-Tek Customer ServiceJun 10, 2021
                Sun-Tek has been in business over 40 years and, in our experience, if there are 3 skylights that all leak at the same time it points to a problem with the installation. Please contact Sun-Tek Customer Service at 800-334-5854 to receive a Complaint Checklist so that we can help find a solution.
                  • Recommended
                  1 found this review helpful
                  really liked the looks of the skylight. I had to return it do I purchased the wrong size.
                  • Verified Purchase
                  item stopped shipping in Arlington tx
                  ordered 3 skylights. 1 reported damaged in Arlington tx. had home Depot reorder another one. that order made it from Florida and stopped shipping in Arlington tx. what is with Arlington???
                    • Recommended
                    Leaks drip drip drip!!! Bad packaging both boxes damaged.
                    Response from Sun-Tek Customer ServiceMar 13, 2024
                    Please contact Sun-Tek Customer Service for a solution.
                    • Verified Purchase
                    Skylight is blue. Nothing natural
                    This skylight glass is blue. Nothing natural. If you looking for natural glass this is not for you.
                    Response from Sun-Tek Customer ServiceFeb 27, 2024
                    Sun-Tek manufactures with LoE340/Clear glass, which has a bluish-grey tint, since the Solar Heat Gain Coefficient is only .18.
                    This means that 82% of the sun's heat is blocked from entering the living space.
                      It was just installed but it looks to be good quality and had no issues after the first rain.
                      • Verified Purchase
                      Showing 1-10 of 63 reviews