VeluxVCM 2234 2004Item # bci3410847

22-1/2 x 34-1/2 Inch Laminated LowE3 Manual Venting Curb Mount Skylight from the VCM Collection

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Velux 22-1/2 x 34-1/2 Inch Laminated LowE3 Manual Venting Curb Mount Skylight from the VCM Collection

VELUX VCM operable “Fresh Air” Skylights can be opened to create a chimney effect that draws air upward to improve air circulation and air quality within your home. It can be installed on a flat roof at 0° up to a 60° roof pitch on a site-built curb. 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 the brightness and beauty of a room.


  • Ideal for replacing existing curb mount skylights, including old plastic bubble skylights.
  • 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: 5-5/8"
  • 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: Manual Venting
  • Skylight Glazing: Laminated
Similar Products:
  • VCM 2222 2004: 19-1/2 Inch x 19-1/2 Inch
  • VCM 2234 2004 (This Model): 19-1/2 Inch x 31-3/8 Inch