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.
Fixed Skylight (FCM) - Curb Mounted
| FCM Size Code |
4646 |
| Inside curb (W"xH") |
461⁄2 x 461⁄2 |
| Outside curb (W"xH") |
491⁄2 x 491⁄2 |
| Maximum skylight clearance (W"xH") |
505⁄8 x 505⁄8 |