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FAKRO XDK Set of Insulation Collars

SKU: 838601
£69.44 Inc VAT
£57.87 Ex VAT

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You have 14 days from the date of receiving your order to request a return if you are a consumer. If you are purchasing on behalf of a business, you have 7 days to request a return which maybe subject to a restocking charge. If the product is marked as custom made, made to order etc, these are non-returnable. For more information our returns policy please click here

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The FAKRO XDK Set of Insulation Collars is designed to improve the thermal efficiency and airtightness of roof window installations, helping create a more energy-efficient and protected roof structure. This complete insulation solution works by sealing the connection between the roof window, roof covering and internal finish, reducing heat loss while preventing unwanted air and moisture ingress.

The XDK set includes two essential components that work together to protect the window installation. The XDP breather membrane collar creates a secure external connection between the roof window and the roof system, helping improve insulation around the frame while allowing moisture vapour to escape safely. This reduces the risk of trapped moisture and water damage within the roof structure. Internally, the XDS airtight flashing forms an effective barrier against warm, humid air, sealing the joint between the window reveal and the plasterboard to limit condensation and draughts.

By reducing thermal bridging around the roof window, the XDK insulation collar set helps maintain consistent internal temperatures and supports improved energy performance throughout the building. It is particularly beneficial for modern roof window installations where airtightness and insulation standards are a priority, helping protect against heat loss, moisture penetration and long-term condensation issues.

Features & Benefits:

  • Complete insulation solution for roof window installations
  • Includes XDP breather membrane collar and XDS airtight flashing
  • Reduces thermal bridging to minimise heat loss
  • Improves airtightness around the roof window frame
  • Helps prevent condensation and moisture related issues
  • Allows moisture vapour to escape while protecting the roof structure
  • Supports improved energy efficiency and indoor comfort

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