VELUX FCM 2234 Fixed Curb Mount Skylight is a non-venting skylight, and its integrated solar-powered room darkening shade offers effortless light control.
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22½ x 34½, FCM 2234, Fixed Curb Mount Skylight with Room Darkening Shade

VELUX
SKU:
FCM 2234 2004S
$471.00
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VELUX FCM 2234 Fixed Curb Mount Skylight

Transform your space with abundant natural light using the VELUX FCM 2234 Fixed Curb Mount Skylight. This non-venting skylight is an economical solution for visually expanding rooms, and its integrated solar-powered room darkening shade offers effortless light control. Designed for both flat and sloped roofs, it's ideal for replacing existing curb-mounted skylights, including older plastic bubble types.

Key Features & Benefits:

  • Fixed Skylight Design: Provides ample natural light to visually expand and transform any room.
  • Integrated Solar-Powered Room Darkening Shade: Offers effortless control over incoming light with a wireless, solar-powered operation, eliminating the need for wiring.
  • Enhanced Energy Efficiency: The solar-powered shade helps block the sun's heat in summer and retain interior heat in winter, improving the skylight's overall energy efficiency by up to 40%.
  • Standard Laminated LowE3 Glass: Meets building codes for out-of-reach applications and comes with a 10-year hail warranty against glass breakage, providing added safety and peace of mind.
  • Room Darkening Shade: Features a white double-pleated blackout cloth with a honeycomb structure and interior aluminum coating to block even the brightest sunlight.
  • Versatile Curb Mount Design: Suitable for installation on both flat and sloped roofs, making it perfect for replacements.
  • VELUX 10-Year Installation Warranty: When installed with appropriate VELUX flashing on a pitched roof.

Warranty: Laminated LowE3 glass comes with a 10-year hail warranty against glass breakage. VELUX offers a 10-year installation warranty when installed with appropriate VELUX flashing on a pitched roof. 

FCM 2234 Sizing Chart FCM 2234
Inside curb (W"xH") 22 1⁄2 x 34 1⁄2
Outside curb (W"xH") 25 1⁄2 x 37 1⁄2
Maximum skylight clearance (W"xH") 26 5⁄8 x 38 5⁄8
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VELUX FCM 2234 Fixed Skylight

Balanced Light, Trusted Performance, Curb-Mount Simplicity

The VELUX FCM 2234 Fixed Curb Mount Skylight is designed to brighten small to mid-sized rooms with natural, diffused daylight. Its versatile 22½" x 34½" size makes it an excellent fit for kitchens, bathrooms, utility rooms, or enclosed hallways—delivering consistent performance, visual comfort, and energy savings year-round.

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Features & Benefits of the VELUX FCM 2234

Key Features:

  • Fits a 22½" x 34½" inside curb opening
  • Available with Low-E³ tempered or laminated glass for durability and UV protection
  • Installs on roof pitches from 0:12 to 20:12 (0° to 60°)
  • Suitable for shingle, tile, or metal roof applications
  • Curb-mount design ideal for replacement or retrofit jobs

Performance Benefits:

  • Improves light quality and reduces reliance on artificial lighting
  • Maintains room temperature with energy-efficient glass
  • Minimizes glare while delivering full-spectrum daylight
  • Backed by the VELUX 10-Year No Leak Warranty with proper flashing

Let daylight do the work—choose the VELUX FCM 2234 for reliable illumination, modern curb-mounted design, and low-maintenance efficiency. Available now at Skylights2Go.

Curb Mount

A curb-mount skylight is designed to install over a raised frame—called a curb—that sits above the roof surface. This type of skylight is ideal for both new construction and retrofit applications, especially when replacing older units. Unlike deck-mounted models, curb-mounted skylights are elevated off the roof deck, allowing for flexible sizing and easier replacement without disturbing the roof structure.

Roof Pitch

Compatible with low- to steep-slope roofs ranging from 0:12 to 20:12 pitch (0°–60°). Fixed curb mount skylights are ideal for installations where a site-built curb is already in place or required—common in both retrofit and new construction. Suitable for most roofing materials, including asphalt shingles, tile, and metal. Best used when replacing older dome skylights or integrating into commercial and residential projects with existing curbs.

Flashing

Step Flashing (EDL) – For asphalt shingles, wood shake, and slate roofs (1/2" max thickness).  

High-Profile Flashing (EDW) – For tile roofs over 3/4" thickness. 

Metal Roof Flashing (EDM) – Designed for standing seam and corrugated metal roofing.  

Copper Step Flashing (EDL COPPER) – Premium option for high-end roofing materials.