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SKU:
FS C04 2004S
21 x 37⅞, FS C04, Fixed Deck Mount Skylight with Room Darkening Shade
VELUX
$624.00
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VELUX
21 x 37⅞, FS C04, Fixed Deck Mount Skylight with Room Darkening Shade
VELUX FS C04 Fixed Deck Mount Skylight
Product Overview:
The VELUX FS C04 fixed deck mount skylight brings natural light into your home while maintaining energy efficiency and privacy. It features laminated LowE3 safety glass and an integrated solar-powered room darkening shade, making it a perfect solution for brightening spaces without compromising comfort.
Key Features:
- Laminated LowE3 Glass: Provides safety, UV protection, and energy efficiency with a 10-year hail warranty.
- Solar Room Darkening Shade: Double-pleated white blackout cloth with honeycomb design and aluminum backing effectively blocks sunlight and insulates year-round.
- Deck Mount Installation: Low-profile design mounts directly to the roof deck for a secure, watertight fit on roofs pitched 14° to 85°.
- Energy Efficient: Integrated solar shade improves energy performance by up to 40%, helping manage heat gain and loss throughout the year.
- Certified Protection: Meets Florida Product Approval FL13308 and Texas Department of Insurance TDI SK03 requirements.
- Warranty: Backed by a 10-year installation warranty when installed with VELUX flashing (sold separately).
| FS Sizing Chart | C04 |
| Outside frame (W"xH") | 21 1⁄2 x 38 3⁄8 |
| Rough opening/ Finished frame (W"xH") | 21 x 37 7⁄8 |
Built on Decades of Daylighting Excellence
For over 80 years, VELUX has been the global leader in skylight innovation—pioneering daylighting solutions that transform homes, improve energy efficiency, and elevate architectural design. Known for unmatched craftsmanship and a strong commitment to sustainability, VELUX skylights are trusted by homeowners, builders, and architects for delivering long-term performance and refined design.
VELUX skylights are more than just a way to bring in natural light—they’re precision-engineered systems that integrate directly into the roof deck, creating a clean, low-profile look while protecting your home from leaks and extreme weather. From advanced glazing to rigorous testing, every product reflects a legacy of innovation backed by industry-leading warranties and certifications.
The VELUX FS C04 Fixed Deck Mount Skylight continues that tradition in a sleek, space-conscious format. Designed for mid-sized rooms and pitched roof applications, it offers generous daylight while enhancing energy performance and indoor comfort. With its flush-mounted frame and fixed design, it’s a reliable, modern solution for brightening living spaces.
Whether you're updating your home or building new, the VELUX FS C04 skylight brings the benefits of daylight, energy efficiency, and proven durability—all with a look that blends beautifully into your roofline.
Flashing
VELUX flashing kits are engineered to protect against leaks and integrate seamlessly with a wide range of roofing materials.
• Step Flashing (EDL): Ideal for asphalt shingles, wood shakes, and slate roofs up to ½" thick.
• High-Profile Flashing (EDW): Built for tile roofs thicker than ¾".
• Metal Roof Flashing (EDM): Designed for standing seam and corrugated metal roofing.
• Copper Flashing (EDL Copper): A premium option for upscale or historic roof systems.
Using an approved VELUX flashing kit is essential for activating the full 10-Year No Leak Warranty.
Roof Pitch
VELUX deck-mounted skylights are suitable for roof pitches between 14° and 85°, making them the preferred choice for sloped or pitched roofs where a close-to-the-deck installation is desired.
In contrast, VELUX curb-mounted skylights accommodate pitches from 0° to 60°, offering greater flexibility for flat and low-slope roofs, including many retrofit applications.
Choosing the correct skylight type for your roof pitch ensures proper drainage, weather resistance, and warranty compliance.
Deck Mount
A deck-mount skylight installs directly onto the roof deck, offering a streamlined, low-profile finish that complements modern roofing systems. Ideal for new construction and full roof replacements, deck-mounted skylights are known for their superior energy efficiency and weather-tight performance. Because they sit closer to the roof surface, they help minimize thermal loss and enhance your home’s architectural appeal.
VELUX skylights with laminated Low-E3 glass include a 10-year warranty against hail damage, protecting your investment from unexpected weather events. This coverage ensures the glass won't crack or break due to hailstones, offering long-term peace of mind for homeowners in storm-prone regions. The laminated glass also meets stringent building codes and provides added security and sound insulation.
