Velux Electric Flat Roof Window Base

Please Note: VELUX flat roof windows require a base unit and top cover to operate correctly.

Electrically operated flat roof window base with double-glazed unit. Moulded polyurethane frame around a plywood code for slim finish Suitable for roof pitches between 0-15° Laminated inner pane for additional safety, as standard.

Compatible with all VELUX ISU top covers

Please note all CVU bases are only compatible with flat or curved glass covers

The code of your existing VELUX window may differ if it was purchased pre-2014.