Velux EDL MK04 2000 Pro+ Recessed Slate Flashing with Insulation

Standard flashing for installing single roof windows into slate up to 8mm thick. Suitable for roof pitches 15 - 90 degrees.

Includes all you need to achieve a weathertight and well-insulated installation:

Underfelt collar BFX

Ensures a watertight seal of the installation area. The collar comes with an adjustable and self-supporting drainage gutter.

Insulation collar BDX

Insulates around the roof window frame to reduce heat loss and eliminate cold bridges.