VELUX CFJ Fixed Flat Roof Dome Package with 150mm upstand for Uninhabited Rooms UPOV3YZPU566 which ensures that your window

which ensures that your window is completely weathertight

gas boilers etc

They are easy to operate with a ready-to-use wall switch or via VELUX App Control (purchased as an add-on)

The membrane is available in two thicknesses: 1

Glazing: 0020Q - Double glazed

VELUX CFJ Fixed Flat Roof Dome Package with 150mm upstand for Uninhabited Rooms UPOV3YZPU566 which ensures that your windowIncluded in VELUX Flat Roof Dome Package: The VELUX CFJ Fixed Domed Rooflight is sold as a complete package including: 1 x CFJ 0010 (150mm High, Fixed flat roof window base) 1 x ISJ 0112 (2 Layer Clear Polycarbonate Dome) Plus all necessary fixings for installation Description: A simple flat roof dome solution for uninhabited rooms or buildings such as warehouses, garages, sheds, or smaller industrial buildings. Provides basic daylight area and basic