VeluxFCM 2234 0004Item # bci3410805

22-1/2 x 34-1/2 Inch Laminated LowE3 Fixed Curb Mount Skylight from the FCM Collection

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Velux 22-1/2 x 34-1/2 Inch Laminated LowE3 Fixed Curb Mount Skylight from the FCM Collection

VELUX FCM fixed curb mount skylights are ideal for replacing existing curb mount skylights, including old plastic bubble skylights. It can be installed on a flat roof at 0° up to a 60° roof pitch on a site-built curb. VELUX skylights are an energy-efficient way to bring sunlight into a home and make dark rooms come to life, all while maintaining privacy. Installing a skylight is one of the most impactful ways to enhance the brightness and beauty of a room.


  • Inside curb dimensions for VELUX FCM 2234 models are 22-1/2 in. by 34-1/2 in. and outside curb dimensions are 25-1/2 in. by 37-1/2 in.
  • Qualifies for the VELUX 10-year "No Leak" installation warranty when installed with VELUX ECL flashing on a shingle roof with a pitch between 10° and 60°, or VELUX ECW flashing on a tile roof with a pitch between 14° and 60° (flashing kits are sold separately).
  • Features Clean, Quiet & 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

Product Technologies:

  • Laminated Glass: VELUX laminated glass is a highly efficient, Low-E, argon gas injected dual pane glass that is laminated for both added safety and comfort.


  • Width: 27-3/8"
  • Height: 39-3/8"
  • Depth: 3"
  • Maximum Roof Pitch (Degrees): 60
  • Minimum Roof Pitch (Degrees): 0
  • Rough Opening Height: 37-1/2"
  • Rough Opening Width: 25-1/2"
  • Inside Curb Height: 34-1/2"
  • Inside Curb Width: 22-1/2"
  • Outside Curb Height: 37-1/2"
  • Outside Curb Width: 25-1/2"
  • Skylight Ventilation: Fixed Non-Vented
  • Skylight Glazing: Laminated
Similar Products:
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  • FCM 2234 0004 (This Model): 22-1/2 Inch x 34-1/2 Inch
  • FCM 2246 0004: 22-1/2 Inch x 46-1/2 Inch
  • FCM 3030 0004: 30-1/2 Inch x 30-1/2 Inch