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VELUX Fixed Curb Mount Skylight

An economical choice in creating a spacious home that is filled with natural light.

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VELUX fixed skylights are perfect for visually expanding areas such as hallways, stairwells, and other closed-in, dark spaces that can be transformed with daylight and sky views. It provides an economical choice in creating a spacious home that is filled with natural light.

  • Curb mounted applications
  • Maintenance free frame
  • No designated top, bottom or sides – can be installed in any direction
  • White laminated glass available for applications where diffused lighting is required

Dual pane laminated glass; clean, quiet, safe

  • Clean – Silicon dioxide makes Neat® glass exceptionally smooth. In fact, it’s much smoother than ordinary glass. So water disperses evenly, “sheets off” and evaporates quickly, greatly reducing water spotting
  • Quiet – Reduce unwanted outside noise by up to 25% less than a standard double pane glass, and up to 50% less than a plastic skylight.
  • Safe – VELUX recommends and building codes require laminated glass for out of reach applications.

Tempered glass is virtually scratch-proof providing a durable layer of protection.

Fixed Curb Mount (FCM) Sizing

Size Code 2222 2230 2246 4646
Inside curb (W”xH”) 2212 x 2212 2212 x 3012 2212 x 4612 4612 x 4612
Outside curb (W”xH”) 2512 x 2512 2512 x 3312 2512 x 4912 4912 x 4912
Maximum skylight clearance (W”xH”) 2658 x 2658 2658 x 3458 2658 x 5058 5058 x 5058


Additional information

Weight N/A
Dimensions N/A
Glass Type

Tempered, Laminated


N/A, 25.5 in X 25.5 in, 25.5 in X 33.5 in, 25.5 in X 49.5 in, 49.5 in X 49.5 in