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Fixed curb mounted skylight (FCM)

The patented FCM curb mounted fixed skylight is sized to work with all types of site-built curbs, whether they’re slightly out-of-square, pre-existing, or surrounded by unusually thick flashing and roofing material.

Heavy-duty materials ensure the FCM skylight is built to withstand the installation process, as well as anything Mother Nature throws its way.

Solar Skylight Sizes

Clean, Quiet & Safe glass

  • Features Neat glass coating to keep your skylight cleaner, longer, leaving skylights virtually spotless.
  • Reduce unwanted outside noise by up to 25% less than a standard double pane glass, and up to 50% less than a plastic skylight.
  • VELUX recommends and building codes require laminated glass for out of reach applications.

Factory Installed Blinds


In-stock Room Darkening – Double Pleated Blinds


In-stock Light Filtering – Single Pleated Blinds

Sunscreen accessory tray

A sunscreen accessory tray for standard sitebuilt curbs allows for installation of VELUX Pick&Click! blinds. Accessory tray is required for blind installation.

Custom FCM skylights

Skylights available to fit curbs including flashing that have a maximum clearance dimension of 183/4 – 503/4 wide by 183/4 – 761/2 long. Up to 72 = 6 day production time + Transportation time. Greater than 72 = 10 day production time + Transportation time.

We require maximum skylight clearance dimensions in 1/4 increments (0, 1/4, 1/2, 3/4) for width and height.
Custom size flashing kits and custom size blinds are not available.
Some specialty glass options require longer lead times.