VELUX provide a range of flashing options to suit your roof material. For standard installation heights install the brackets at the top and bottom of the frame at the red line level. Flashings for installing one roof window into slate up to 8mm thick.
This EDL flashing kit for slates is supplied with a BDX insulation collar and a BFX underfelt collar.
An insulation collar insulates around the roof window frame, reducing heat loss and eliminating cold bridges. Makes insulating and installing the window a simple process. Click fittings ensure a fast and accurate assembly.
An underfelt collar ensures a weather-tight seal between the roof window and the roof. Pleated material ensures a flexible and tight seal to the underfelt of the roof, whatever it's construction. Made from diffusion open material to minimise the risk of condensation. Comes with transverse drainage gutter to lead water away from the head of the window if a tile or slate is broken above the window. Welded corners ensure a watertight and simple installation.
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Question:
Is this the only flashing kit i need for the 78 x 140 conservation rooflight?
Answer:
This is a standard Flashing not suitable for Conservation windows as it would not be the same colour. Most conservation windows come with the Flashing included - so you can see a link for the package window and flashing on the link below.
https://www.roofingsuperstore.co.uk/product/velux-ggl-mk06-sd5n2-conservation-window-for-8mm-slate-78cm-x-118cm.html
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