Curb Mount Fixed Skylights
Fixed curb mount (FCM) skylights offer a simple and effective way to bring natural light into your home. Designed for installation on a pre-existing or custom-built curb, these skylights are stationary, meaning they don't open for ventilation. Their primary function is to illuminate interior spaces, transforming dark rooms with daylight.
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Fixed Skylight (FCM) – Curb Mounted
| FCM Size Code | 1430 | 1446 | 2222 | 2230 | 2234 | 2246 | 2270 |
|---|---|---|---|---|---|---|---|
| Inside Curb WxH (in) | 14½ x 30½ | 14½ x 46½ | 22½ x 22½ | 22½ x 30½ | 22½ x 34½ | 22½ x 46½ | 22½ x 70½ |
| Outside Curb WxH (in) | 17½ x 33½ | 17½ x 49½ | 25½ x 25½ | 25½ x 33½ | 25½ x 37½ | 25½ x 49½ | 25½ x 73½ |
| Maximum Skylight Clearance WxH (in) | 18⅝ x 34⅝ | 18⅝ x 50⅝ | 26⅝ x 26⅝ | 26⅝ x 34⅝ | 26⅝ x 38⅝ | 26⅝ x 50⅝ | 26⅝ x 73⅝ |
| FCM Size Code | 3171 | 3030 | 3046 | 3422 | 3434 | 3446 | 4646 | 4672 |
|---|---|---|---|---|---|---|---|---|
| Inside Curb WxH (in) | 31½ x 71½ | 30½ x 30½ | 30½ x 46½ | 34½ x 22½ | 34½ x 34½ | 34½ x 46½ | 46½ x 46½ | 46½ x 72½ |
| Outside Curb WxH (in) | 34½ x 74½ | 33½ x 33½ | 33½ x 49½ | 37½ x 25½ | 37½ x 37½ | 37½ x 49½ | 49½ x 49½ | 49½ x 75½ |
| Max. Clearance WxH (in) | 35⅝ x 75⅝ | 34⅝ x 34⅝ | 34⅝ x 50⅝ | 38⅝ x 26⅝ | 38⅝ x 38⅝ | 38⅝ x 50⅝ | 50⅝ x 50⅝ | 50⅝ x 76⅝ |
VELUX FCM skylights are ideal for flat or low-slope roof applications where reliable, leak-free performance is essential. With a low-maintenance, gasketed aluminum frame and energy-efficient LoE3 glass, these skylights help reduce glare, block UV rays, and improve overall thermal comfort in your home.
Their simple design offers flexible installation and long-lasting durability, making them a popular choice for living rooms, bathrooms, hallways, and other areas where ventilation is not required. Optional blinds and flashing kits are available for enhanced insulation and light control, giving homeowners the ability to tailor performance and appearance to fit their space.
