VELUX

Model # FS C06 2005

Internet # 202038763

Store SKU # 310013

21 in. x 45-3/4 in. Fixed Deck-Mount Skylight with Tempered Low-E3 Glass

Frequently Bought Together

Product Overview

VELUX skylights are an energy-efficient way to bring sunlight into a home and make dark rooms come to life. Bringing natural light into a home through a skylight decreases the need for electricity while maintaining privacy. Installing a skylight is one of the most impactful ways to enhance both the brightness and beauty of a room.

Info & Guides

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Specifications

Dimensions

Daylight area (sq. ft.) 
5.42 
Product Depth (in.) 
4.5 
Product Height (in.) 
46.25 
Product Width (in.) 
21.5 
Rough Opening Height 
45.75 in 
Rough Opening Width 
21 in 

Details

Cladding Type 
Aluminum 
Color Family 
Gray 
Color Family 
Grays 
Flashing Included 
No 
Frame Material 
Wood 
Glazing type 
Tempered glass 
Hardware Included 
Yes 
Low-E (Y,N) 
Yes 
Material 
Glass 
Maximum roof pitch (degrees) 
85 
Minimum roof pitch (degrees) 
14 
Product Weight (lb.) 
42.2 lb 
Returnable 
90-Day 
Severe weather ready 
Yes 
Skylight Mounting Type 
Deck Mount 
Skylight material 
Glass 
U-Factor 
0.45 
UV protection (%) 
95.2 

Warranty / Certifications

Energy Star Qualified 
North-Central,Northern,South-Central,Southern 

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Customer Questions & Answers

61 Questions75 Answers

Customer Questions & Answers

21 in. x 45-3/4 in. Fixed Deck-Mount Skylight with Tempered Low-E3 Glass
21 in. x 45-3/4 in. Fixed Deck-Mount Skylight with Tempered Low-E3 Glass

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3 answers

What is the difference with FCM 2246 0005? Which one is better?

This question is from 21 in. x 45-3/4 in. Fixed Deck-Mount Skylight with Tempered Low-E3 Glass
Asked by
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July 16, 2016
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Answers (3)

July 18, 2016
Answer: 
The FS C06 is a Deck Mounted Unit. It installs directly to the roof deck and has a minimum pitch requirement of 14 degrees (3/12). This is used mostly in new applications. The FCM 2246 is a Curb Mounted Unit. It installs over a site-built curb and has a minimum pitch requirement of 0 degrees (0/12). This is great for replacing bubbles or glass units that are on an existing curb. They are both great for Read More
The FS C06 is a Deck Mounted Unit. It installs directly to the roof deck and has a minimum pitch requirement of 14 degrees (3/12). This is used mostly in new applications. The FCM 2246 is a Curb Mounted Unit. It installs over a site-built curb and has a minimum pitch requirement of 0 degrees (0/12). This is great for replacing bubbles or glass units that are on an existing curb. They are both great for their own purposes. I hope this is helpful to you. Thank you for choosing VELUX! Read Less
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July 17, 2016
Answer: 
This skylight is a fixed deck-mount and FCM 2246 0005 is a fixed curb-mount.
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Asked by
Los Angeles County CA
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Home Improvement Profile: DIYer
July 17, 2016
Answer: 
The FCM 2246 denotes Fixedl Curb Mount and the numbers represent the rough opening dimensions which is a nominal 22" X 46". The FCM is mounted on a curb on the roof that you have to construct and flash and seal. If you're not confident in your carpentry or roofing skills, I wouldn't recommend you installing the FCM model because you have to build a curb or a frame to which the skylight sits on. The fixed Read More
The FCM 2246 denotes Fixedl Curb Mount and the numbers represent the rough opening dimensions which is a nominal 22" X 46". The FCM is mounted on a curb on the roof that you have to construct and flash and seal. If you're not confident in your carpentry or roofing skills, I wouldn't recommend you installing the FCM model because you have to build a curb or a frame to which the skylight sits on. The fixed deck mount or FDM is easier to install because it is installed directly on the deck of the roof with a flush and lower profile. It has its own curb and it comes with an optional flashing kit of which I highly recommend you using. I installed the FDM on my roof and the performance and appearance of this sky window is exceptional. Use the optional flashing kit and sleep like a baby when you get those heavy rains. No leaks. Read Less
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0 answers

why are there so few choices for fixed skylights available in 30"x 30" dimensions?

This question is from 30-1/16 x 30 in. Fixed Deck-Mount Skylight with Tempered Low-E3 Glass
Asked by
Birmingham, Al
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July 22, 2016
I am looking for a velux fixed skylight in 30"x 30" dimensions with a higher impact rating than that which comes with tempered glass. Can you help?
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1 answer

the fittling to open and close

This question is from 21 in. x 54-7/16 in. Fixed Deck-Mount Skylight with Tempered Low-E3 Glass
Asked by
colorado springs
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June 10, 2016
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Answer (1)

June 13, 2016
Answer: 
This FS Skylight is Stationary. If you would like an operable unit, you will need to purchase the VS C08 (manual venting) or the VSS C08 (solar powered. I hope this answers your question. Thank you for choosing VELUX!
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1 answer

Looking to replace old Velux unit with same type

This question is from 21 in. x 45-3/4 in. Fixed Deck-Mount Skylight with Tempered Low-E3 Glass
Asked by
Montreal Quebec Canada
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April 11, 2016
I have an old Velux (17 years) fixed deck mount 21 X 45-3/4 ? with a manual vent at the top 2" X 21". Unable to locate same model. Are they still made?
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Answer (1)

April 13, 2016
Answer: 
We no longer offer the FSF (fixed skylight with vent flap). You will need to order this in the FS (stationary) or the VS (venting) model. Thank you for choosing VELUX!
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Customer Reviews

Rated 4.6 out of 5 by 29 reviewers.
Rated 5.0 out of 5.0 by Quality and Craftsmanship in the USA Each of these windows has their own unique serial number and Velux stands behind their product. The installation was easy because I installed them myself when I was installing my own new roof. The first rain came and I slept like a baby. No leaks whatsoever. I recommend you buy the flashing kit. My only regret was not installing the electric remote control units. I installed the fixed 21 in x 45 in units and they fit perfectly between the rafters without any structural modifications to the roof. May 30, 2016
Rated 5.0 out of 5.0 by As advertised - great product Skylight looks great and is clearly a superior product. September 30, 2015
Rated 5.0 out of 5.0 by Beautiful skylight! Really nice skylight, bought with the matching flashing kit that was available in stores. It was the right size to fit between our roof joists. Installation was challenging, but not impossible as a DIY project on a shingle roof. March 29, 2016
Rated 5.0 out of 5.0 by great value and excellent product fast delivery, easy to install, good instructions, rained for two days after installation and no leaks! Very pleased with product and flashing kit work great with excellent instructions. tint on windows is great, lots of light and no glare. October 14, 2014
Rated 4.0 out of 5.0 by Looks great! I do not do the install but with the accessory install kit, my installer had pretty smooth sailing. I had two installed in my living room and it is a whole new look. I just love them. I would give all 5 stars except they have not yet stood the test of time. I am hoping for a No-Leak window as promised! So far so good. Thunderstorm and rain last night! August 12, 2014
Rated 4.0 out of 5.0 by broken in box As unfortunately frequently happens, the product was crushed in the box. Got full refund and went to alternate branch and picked up another one. Looks beautiful fitted in roof. elegant size and fits profile of roof line perfectly January 15, 2014
Rated 5.0 out of 5.0 by everything i expected - it's great product shipped fast and was in good condition when it arrived - skylight makes such a positive impact on the lighting. Even on a cloudy day it brightens the room. August 11, 2015
Rated 5.0 out of 5.0 by Looks great Easy to install, looks really good inside and out. No complaints at all, really brightens the room. We have two of them in a room with no other windows and the light from the skylight is enough during the day to not use lights. November 5, 2013
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