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Consists of the following items.
XDP - Breather membrane collar and insulation for linking the window to the roof system and providing insulation around the window.
XDS - Air tight flashing used internally to form a barrier against warm and humid air Forms a barrier between the internal reveal of the window and the plasterboard.
You can choose from any of 200+ RAL colour numbers for your window.
Helpful advice for assisting you with your window buying experience