Insulated kerb for installation of RW in flat roof, 0-15 degrees,55×78. Insulated kerb allows the installation of a pitched roof window in a flat roof. Allows you to select the most appropriate roof window for your application with different finishes and operation methods available. Suitable for roof pitches between 0-15. Roofing material is dressed up the kerb, then overlapped with aluminium for a weathertight finish.

• Allows a standard VELUX roof window to be installed in roof pitches between 0-15
• Can be used with any roofing material