VELUX manually operated flat roof window base for access and escape comes with a double glazed insulating glass unit featuring laminated inner pane for safety
A Flat Roof Base is required with all top covers (Flat, Curved Or Domed Are Available)
Manually operated
Excellent insulating value
Sound reduction
Low energy pane
High insulation PVC band
Note: this product is not compatible with VELUX flat roof blinds FMG, FSK, FMK and MSG